Unwieldy big. I don't know why I didn't expect that
mikhail g., Newegg
8 October 2014
Summary: No, ergonomics was not a goal set in mind when Kensington made this mouse. I'm not sure what goals they actually set because it's almost unwieldy. I'm coming to the Expect Mouse from Logitech's Trackman Marble, which is far from ideal itself, but it has ergonomics on its side, and moving from that to this is not pleasant. With the included wristpad my hand rested heavily on an uncomfortable part of my wrist.
Pros: -Symmetrical trackball WITH A SCROLL WHEEL! Logitech, please take note. -Firmware that allows for simultaneous clicking to add further functionality, ala middle click and 6th click. The firmware is good enough give you lots of options here. -Could probably kill someone with it if I needed to defend myself against an intruder.
Cons: -Massive. I have small hands, and I could not find a comfortable way to rest my hand on this mouse to be able to reach all four buttons. -The button layout, and I had a feeling this would be the case, is not economical what so ever. It simply was not designed for the top buttons to be reachable with the hand in a resting position. -The buttons are too heavy to click, and especially to hold. -The wristpad is laughably bad. Too firm, never tested for actual use and as s...
Summary: I think possibly the orbit might be better for gamers. It is unfortunate that very few companies are making trackballs for gamers. Better programmability and more robust components are a must. Logitech's M570 is cheap and poorly made. I've gone through two of them in less than six months. Logitech has been good about replacing them.
Pros: One of few options for trackball users. Nifty idea and probably great for none first person shooter game.
Cons: The software and drivers are not very user friendly. At first I couldn't get the my game to recognize all of the of the buttons. It took me about 2-3 hours to figure out what I needed to change. After I figured it out it was very awkward to control in the game. Outside of the game it was only ok. For a $90 piece of gear I expected smoother operation. The scroll ring didn't turn smoothly and the ball seemed to have "catches" in it.
Excerpt: I use trackballs for years and tried many models but the thumb control trackball is not my favour because my thumb will get tired easily. I skid to say the advantages of trackball over mouse here. I am using Kensington Orbit Trackball with Scroll Ring and supposed to upgrade to Expert Pro, but love the Orbit more. The big advantage of Expert Pro is the large trackball. It makes the moving is much precise.
Pros: Accurate Controls, Large trackball
Cons: Cheap Made Quality, Occupy Large Desk Space, Scroll Ring Is Noisy, Scroll Ring Not Smooth
Summary: The first Expert trackball arrived faulty. (Customer service replaced quickly - Thanks). The second trackball did not work with my PC. And the TrackBallWorks software not only did not help, but made my Kensington Obit stop working as well. After a lot of back and forth with Kensingtion Tech Support, I finally got the software completely removed from my PC and my Orbit trackball working again, and finally even the Expert trackball.
Summary: Most of the time, it works great. But now and then the buttons switch off. For example, have to right click instead of left click. Once in a while, the scroll ring will go wild and go from the top of the page to the bottom instead of smoothly. I am very disappointed and will have to clean my desk so can use a regular optical mouse again.
Summary: Kensington, restore the old software's functionality and I'll give you the other three eggs.
Pros: I would never go back to a mouse - it takes too much room on a crowded desk. And this is the best trackball going. Large enough to allow easy, precise positioning, and the driver is adjustably speed-sensitive for fast movement across the screen. The ring and four buttons let you do all sorts of things with one hand, reducing the number of times you have to move the right hand between trackball and keyboard. I programmed one button for Enter, and use that all the time ...
Cons: So why do I give it only two eggs? Because I am migrating to Windows 7 64-bit and rating it for that environment. Sadly, Kensington's new Trackballworks software (required for 64-bit) no longer supports programming any keystroke sequence into buttons, chords of buttons, and buttons plus shift, alt and ctrl. I use this heavily so am losing much of the great functionality of the old Mouseworks driver. Oh, another con - the older mechanical Kensington trackballs used a p...
No Vista/Win7 software, uncomfortable, ring tracking bad
Amazon Customer, Amazon
12 December 2009
Summary: I had a Kensington Expert Mouse many years ago, and loved it. When I needed a new mouse this week, I ordered another one, and it is a COMPLETE DISAPPOINTMENT. First, the software and drivers that come with it are from 2001-2003. And it doesn't work on Vista - there is NO Kensington driver available for this mouse for 64-bit operating systems (Vista & Windows 7). UNBELIEVABLE.
Summary: I wanted a trackball to ease the pain in my wrist from mousing and remembered the excellent Kensington Expert Mouse that I used to use with my PowerMac 7500 years ago. That was a fantastic mouse. I had read the reviews here for and against this model and thought I would purchase it despite the preponderance of negative reviews. I wish I had paid attention to the negative reviews... this Expert Mouse works nowhere near as well as the old one.
Summary: PROS: Large ball, smooth ball movement, comfortable design, large programmable buttons with great software, scroll wheel great IDEA.
CONS: Tracking slightly jumpy at times. Scroll wheel is such a terrible design it feels and often acts 'broken'.
Reviews are correct about the scroll wheel. I can't understand how Kensington allowed and continues to allow this expesive trackball to ship this way.