621, please pay attention :)

617> ( ..lol Jon you are on our side../)

619, or (6 !)-(5 !)+(4 !)-(3 !)+(2 !)-(1 !)

615. Not a very interesting number, really, but it'll do.

( Btw you & me I thin kwe can go to 0;;)
614

It'll take a lot longer if we go by ones, though.
612.

(But hey we can at least score to 500 ::)
610

612 *nervous* *nice putting down by 1 jib ;) *

whay! A sane person ;)
616

Does this look like the sort of passtime that attracts sane people?
614.

(Good point jon'')
612

(But then, I'm a larn addict, so what can I say about "sane"?)
610

++(++(610)) = 612.