Best is subjective with mouses. but take a look at the Logitech, Roccat and Razer range. I personally have a Razer and I love it, have used several Logitechs in the past, never owned a Roccat but they regularly get good reviews.
Why Wasting your time by doing this , just search for logitech , microsoft , hp , razer and more and non of them are making wire mouse any more , so if your going to buy a wireless mouse you can check this new website talking about them
There Are too many options for this topic and this price , in fact you can have the best gaming mouse ever for this price , I have made a list on my website of the best wireless gaming mice , click here , best gaming mice .
But before thinking of buying anything else , I advice you to buy The Razer deathadder or the razer black mamba , they are the best , and there are some other logitech mice that can be suitable for gaming , you can find these info in my website , check it out .