I've never had a "gaming" mouse. The best I've had is the Microsoft Wheelmouse Optical, which is cheap and a very nice mouse that feels great in the hand. I use it all the time and seems to be pretty good for fast action gaming too. One reason why I haven't bought a high spec gaming mouse yet, is that it's something that needs to be checked out in the shop ie fondled and used for a bit to know if it's going to feel good in the hand and play well in games, so an online purchase isn't great unless you know the exact model you're after. That MS mouse I knew was good from work and is the first that I haven't found myself switching out after a short time, so I wonder how other gamers go about choosing their mouses?