Ok, here's my three.
The best HP forums around. Here you can take classes, get a dorm, and participate in house competitions. Fabulous RPG's, OOC discussions, and house threads.
Ellie, who are you on HC? I phollowed one of the links and HC just happened to pop up.
Ariana Daae, you should check this one out:
Really good SG-1/SGA site. Newly started rpg's, OOC, games, character/franchise discussions. Please drop by and take a look. we desperately need some new members.
And my newly started site:Foxes and Yellowjackets
Check out the WWWfriends section and don't forget to sign the guestbook.