a quick review:

What the ultimate gaming mouse should provide  is unparalleled precision, control, and comfort – and the Logitech G500 Programmable Gaming Mouse provides just that! Here’s what it has to offer:

• Gaming-grade laser – gives you smooth precision at any speed.
• Powerful onboard memory – lets you take your settings with you.
• Dual mode scroll wheel – provides click-to-click or hyper-fast scrolling.
• Up to 27 grams of extra weight – gives you the feel you want in your hand.
• On-the-fly adjustable DPI – gives you the right level of precision for any game scenario.
• 10 programmable buttons – you can put macros in your hand.