I strongly recommend not using mouse acceleration. I can't stand it.
Also, if you want to get a good mousepad, the Puretrak Talent is an excellent choice.
I've been using the Microsoft/Razer Habu for about a year now. It's by far the best mouse I have ever used - the design and shape of the mouse is perfect for my relatively large hand. Comes with interchangeable thumb buttons depending on whether you keep your thumb low or high, easy...