25 – 35

The 25 to 35 dollar price range will usually snag you a pretty nice mouse for your rig. It might not always grab you the top of the line stuff, but you can usually find a pretty nice dpi with plenty of buttons in this price range.  Its the most popular price range that people choose, and manufacturers know this, so you'll definitely find something good.

RAZER DeathAdder 3500 GAMING MOUSE 35G INFRARED SENSOR USED RAZER DeathAdder 3500 GAMING MOUSE 35G INFRARED SENSOR USED Paypal US $25.00
CM Storm Sentinel Z3RO G High Proformance Gaming Mouse CM Storm Sentinel Z3RO G High Proformance Gaming Mouse Paypal US $29.99
NEW RAZER Spectre StarCraft II Laser 5600 dpi Gaming Mouse RZ01 00430100 R3U1 NEW RAZER Spectre StarCraft II Laser 5600 dpi Gaming Mouse RZ01 00430100 R3U1 Paypal US $26.75
Logitech G9 Programmable Laser Gaming Mouse with Precision Grips Logitech G9 Programmable Laser Gaming Mouse with Precision Grips Paypal US $25.00
Razer Mamba Wireless Wired Gaming Mouse Razer Mamba Wireless Wired Gaming Mouse Paypal US $33.00
Logitech G5 Gaming Mouse Logitech G5 Gaming Mouse Paypal US $26.00
Cyborg RAT 7 gaming mouse for PC Cyborg RAT 7 gaming mouse for PC Paypal US $29.99
Razer DeathAdder 3500 DPI Gaming Mouse Razer DeathAdder 3500 DPI Gaming Mouse Paypal US $26.50
Mad Catz Cyborg RAT7 RAT7 Contagion Gaming Mouse White with 6400DPI Mad Catz Cyborg RAT7 RAT7 Contagion Gaming Mouse White with 6400DPI Paypal US $35.00
Logitech MX 510 Performance Optical Gaming Mouse Blue Logitech MX 510 Performance Optical Gaming Mouse Blue Paypal US $29.95