Here are a couple good threads about the best robots of all-time
http://www.chiefdelphi.com/forums/sh...ad.php?t=29843
(This lists by myself and Jason Morrella are pretty comprehensive)
http://www.chiefdelphi.com/forums/sh...ad.php?t=39188
For the reasons stated by me in those threads, Beatty 2001 was the most dominant FIRST robot of all time, and until there's a major shift in the current game format, I expect them to hold that title.