Summary: I took a gamble on this headset as it was on-sale for $40 with a $30 mail-in rebate. Corsair processed the rebate extremely fast (within 1 month turnaround for those interested). I've been using it via 3.5mm, not by the USB adapter, and I've been using their drivers which you can get from their website for Windows 7 x64.
Pros: I've been using this headset as my main headset for a couple of months now and I'm surprised by the level of the quality of the headset. The quality of the audio is a major plus for this headset and the volume control is quite easy and convenient. The headset itself is extremely comfortable and does not cause any discomfort at all, even after long use sessions of 4+ hours.
Cons: Microphone level is extremely quiet out of the box. I had to boost the audio levels anywhere from 20-30 db in order for whatever was being spoken to be audible. Tested it in programs like TeamSpeak3/Steam and, with the boost, the microphone was offering pretty good quality. Just make sure that the program you want to use has noise cancellation as an option or it is built-in because obviously with the boost you can get a lot of background noise.
Summary: I originally got this headset as a replacement for my broken X11. Unfortunately the microphone on these are not that great and I have to plug in the microphone part of the X11 and lay it on my desk so I can talk to people in various chat programs.
Pros: - Sound quality is great.
Cons: - Mic is just horrible. I'm told that it sounds like I'm talking in another room or far away from my mic.
Summary: Bought this as a replacement of a cheaper headset that lasted me ~3 years. I like it, but do wish the Mic was better. Sound quality is quite nice. Never got my rebate, which is annnoying.
Pros: Overall decent headset. Quite loud and comfortable, blocks a lot of outside noise, comes with carrying case, and good sound quality
Cons: The Mic sucks. As in, no one can understand you at all. Nor do I think it is just me who has had this problem. That being said, I have a webcam mic, so it wasn't a problem. The software it uses can be bothersome
Summary: If for some reason your optical drive doesn't accept 80mm "pocket-CDs" then you'll have to download the driver from the manufacturer's site.
Pros: Amazing sound quality for the price
Cons: The mic quality is atrocious,if not sounding as though you're speaking through a tin can from 10 feet away, then it barely picks up your voice for in-game chat or any other application, I find myself yelling and still barely being heard. My old busted up headset I use for my xbox (Turtle beach earforce x11) has a better sounding microphone. Also, it didn't come with any instructions or any sort of troubleshooting guide on how to adjust certain things, and I have found...