Did you try your RAT9 on your PC to make sure it wasnt a fault with the mouse itself.
Yeah, using it right now, on my PC. I would LOVE to get it to work properly for EE, if you have any suggestions, I would be willing to give them a try.
Just played a few rounds with the RAT7 at the same settings as the RAT9 and had zero problems. I just don't see how the problems couldn't be caused by the wireless feature of the RAT9 but again, if I could use the wireless mouse over the wired, I would chose the wireless any day. There is nothing more annoying than a standing up and ripping something, or everything, off of your entertainment system because you some how wrapped your leg around a cord.