Are you an avid gamer looking for a feature-rich and reliable gaming mouse that also happens to be wireless? Logitech's G700 might be worth a look. At around $85, it's not cheap, but it does offer a plethora of customizable buttons, the ability to go wired if the battery dies, and also supports a super-high 5700 DPI.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips