Gaming mice have been changing over the past few years, no longer is having adjustable DPI enough to satisfy gamers, they want to be able to modify the X and Y axis independently and want huge amounts of programmable buttons.  The Gila from Genius is capable of both, indeed it can have 72 different mappings for the 10 buttons thanks to the 32K of onboard storage.  The MSRP is $65, if that is within your budget head over to Hi Tech Reviews to see their opinion of the mouse.

"The Gila by Genius, a part of their GX Gaming line of PC gaming peripherals, is a mouse designed for MMO and RTS gaming. Genius, using the brand GX Gaming, has released the Gila gaming mouse which has eight additional buttons, adjustable weight, and adjustable DPI, from 200 up through 8200. "

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