No real definitive conclusion... Hard to believe that my 10 year old
3003 is still better than the "new" ones, or at least no one is gushing
how great one of the new ones are. In fact, most opinions on the new
ones are negative in terms of ergonomics of buttons and their
usefulness. Heck, if all I get for a new one is the "ball", why bother
replacing my 3003; it's "ball" is just fine. In any case, THANKS to you
all; here are the replies: