AntiCheatAgent94
The Equalizer
PERIMICE-517 - Wired Right-hand Ergonomic Trackball Quiet 7 Button Mouse 400/1000 DPI
PERIMICE-517 is a wired USB trackball ergonomic mouse with 1.34 in trackball and 7 quiet buttons. The mouse has 2 DPI levels (400/1000) that can be easily changed with the DPI switch button. Perimice-517 comes with 2 conveninet buttons for page navigation, the scroll wheel has a middle click...
perixx.com
I like the wide base.. And it's going to be nice not having to worry about dongles or batteries..