i was thinking on the tic-tac-toe home page that it would show who's move it was on your 'open' games ..
i was also thinking of an email notification when it is your turn ..
or maybe a little alert box pops up on codenewbie ( wherever you may be ) when it is your move .. that will only show once
hehe.. it's definately not a real-time play at once thing .. one game can probably take at least a day depending on how much the person views codenewbie
yes developing other games for online communities would be great. chess would be a fun project, but maybe a little over my head .. i'm sure with time it could be done though.