If you're still using the old PS2 mouse your dad gave you and are in need of an upgrade, check out today's daily deal: The Logitech G600 MMO Gaming Mouse. At $63.99 with free shipping (normally $79.99 - use 20% coupon code: BIGDEALS), Logitech's gaming mouse offers a whopping 20 buttons (because, you know, 19 buttons simply aren't enough). On your left thumbside alone, there are 12 buttons (which work great for spell casting in an MMO).
In terms of sensitivity, the G600 offers a range between 200 to 8,200 DPI that you can change on the fly. Allowing you to take advantage of your tweaked sensitvity settings is the mouse's low-friction feet. Tying everything together to your computer is a braided USB cable.
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