Summary: I gotta say, the appearance isn't bad and I've had it for a good few years, but it is the worst mouse I've ever owned. When holding it, it isn't terrible, but unless I place it on a plain surface (paper, a folder, or a blank mouse pad) it flies around the screen. Not only that, but if you take a second to read something and keep the mouse in your hand, it takes very little pressure to click in both buttons, so on numerous occasions I've switched windows, started...
Summary: Nothing fancy by today's standard, but this is a hearty durable mouse that has lasted me for years. I like the corded receiver because it allows my desktop to be some distance away from my working space and still use a wireless mouse. Most modern mice are made with small USB receivers that do not catch consistent signals from the distance that I need. So this mouse is a cheap durable alternative.
Summary: Bought this mouse along with the keyboard for my parents a while ago. From my experience, the scroll wheels are notoriously bad on microsoft mice, and this one isn't an exception. The scrolling itself is fine, and I like how the wheel rolls without clicking or "bumps", but clicking with the wheel usually doesn't work. Not only does the wheel provide too much resistance when clicked, but it simply doesn't do anything 9 of 10 times. The wireless range for the mouse is OK.
Summary: Love this mouse. It's larger for a person with bigger hands. I bought a second one for a lefty and she loves it too. The "pod" sits on the desk and is totally out of the way. No obnoxious buttons on the left and right sides! This is a KISS mouse..
Summary: Tried to use this mouse with Autocad, and ended up spending 3 hours trying to configure it. Don't bother with it. The side-scrolling of the wheel renders middle-click unusable for panning in Autocad. Furthermore, the receiver is ridiculously large and corded--antiquated technology.
Summary: I've owned two of these: the first one lasted almost 3 years, the second (that just died) lasted almost 2 years. For the price, it is a respectable mouse. The two AA batteries last a good long while, and between me and two kids constantly playing games, surfing, etc., we've put quite a strain on them. Sometimes a couple of months will go by before having to change batteries; other times (and using Advanced Lithium batteries) they might last 6 months or more.