This is a good mouse for pretty much anything. Very responsive and accurate. Condition is like new.
~$60 or what is reasonable

From the Manufacturer
Tune for game domination. The Logitech® G5 Laser Mouse gives you the edge with a 2000 dpi laser engine sending out an astounding 500 USB reports per second* for precision response at blinding speeds. A Logitech exclusive, the G5's 36-gram adjustable weight cartridge gives you thousands of variations on balance and weight—including one that´s perfect for your unique gaming style. Polytetrafluoroethylene (PTFE) gaming feet provide the ultra-smooth glide you want in a gaming-grade mouse, and Logitech´s SetPoint software allows you to customize your mouse with advanced features such as game detection and in-game adjustable sensitivity (including independent x- and y-axis settings).
Features

2000 dpi laser engine
An ultra-high resolution engine churns images at an astounding 6.4 megapixels per second. A massive (30-pixel by 30-pixel) sensor array and precision laser technology allow the G7 to deliver best-in-class performance and tracking.
In-game sensitivity switching
The G5 provides instant access to three sensitivity levels— 400 dpi, 800 dpi, and 2000 dpi—before driver installation. Shift from pixel-precise targeting to fast-twitch maneuvers, without pausing the action.

Adjustable weight cartridge
Adjust the G5s weight and balance (up to 36 grams) for the control you need to dominate the competition.

Polytetrafluoroethylene gaming feet
Forget sticky workarounds—the G5's durable polytetrafluoroethylene (PTFE) feet give the ultra-smooth glide you want in a gaming mouse.

Full-speed USB
A 500 reports/second*, bi-directional connection delivers blazing speed and instant acceleration.