Well i put it in the 500.
all my games seem to run normal no problems found yet.
shadow of the beast
menace
world circuit grand prix
lotus II
put pagestream in and the cursor kept up with my although i'm not the fastest typer
found a copy of sculpt 4d on a hard drive that works without asking the password, but I have to boot with 1.3 -- 3.1 it asks for the password???
that runs
I think fanscale had it right there is no real noticeable difference
It does seem to load programs a bit faster, but i haven't timed it yet.
thanks for the input!