I have a question if anyone out there has the "atari" and the 3" trackball (or have used both)....Which is better overall for playing with? I understand both have their advantages but a gamer like myself likes to play centipede along with golden tee golf....So which would be considered a better "all around" trackball? Or if there is a better than the 2 mentioned please let me know 
BTW: Anyone have any opinions on cheap, yet good spinners?
Appreciate the help!
Do you mean 2 1/4" (atari?) vs 3" trackball? Because happs 2 1/4" and 3" trackball are based on the Atari mini and mid trackballs, respectively. (So both sizes are "atari".)
I am trying happs 3" high lip (basicaly the same as atari's 3") and wico's 3". The happs
sounds rougher but actually feels smoother. I don't know exactly why, but currently I like the happs better. (maybe 'cause I spent more for it?) I haven't done any real head to head tests yet, though.
BTW, happs has three 3" designs: 3", 3" high
lip ("for golden tee"), and the 3" high
ball. The first two are
exactly the same during play (mounting is
almost the same). The third has a higher sitting ball and needs a different mounting plate, but uses ~90% of the same parts as the other two, AFAICT from the exploded views. I have the high lip version.
Spinners I'd say go with OSCARs, but they're not free.