At first you might be intimidated by the raw thumb button capacity of this extraordinary mouse. The truth is, after a day or two of casting @mouseover macro spells on monsters on a WoW private server, this mouse is actually pretty legit..Just stick with it and you'll wonder why you ever used a pleb-two-side-button-mouse.
Bow down to the superior mouse of mices (mices of men) aka the G600 mouseover express: