Welcome to p99 bud; I think the fun will pick up right where you left off before! As for race/class questions - an interesting thread is active right now that may address some of your concerns >
http://www.project1999.com/forums/sh...d.php?t=229258
Starting a race with access to EC might be an option to get going quick, FoB and Gfay are both very active. Check out the guides in the wiki too!