Quote Originally Posted by 'wowphreak',index.php?page=Thread&postID=181271#po st181271
The problem with Kensington's Expert Mouse Optical USB Trackball is after using it for a few hours yer hand feels like its gonna fall off :P

the track ball I really dig is http://www.logitech.com/index.cfm/mi...s/166&cl=US,EN
do you have any problems with precision from a thumb type trackball vs. something that uses your fingers? i find thumb-based trackballs limit movement. but i can be wrong.