I decided to bite the bullet and get myself a MX700 mouse. Just have 2 questions - 1) Is it worth while installing the Mouseware software? ATM I'm just running off the standard windows xp software and all the buttons work on the desktop except for the alt-switch button. I haven't had much of a chance to try it in game. 2) Is it worth while replacing the batteries that come with the mouse with some better Nihm batteries? Just wondering what ppl think.