Firstly, everyone who likes tech, games or other geeky things should checkout
For 4400 fans, I'd like to point out the newly revamped Jacqueline McKenzie (who, for anyone forgetful of names, plays Diana Skouris) community -

Now for the SGA stuffs - Stargate Fan Awards has opened voting finally. I've got a few things nominated myself, plus I know there's tons of great fic, art etc in there as always, so you should check it out, no excuses!
I'm also gonna point out
Lastly, for McKay/Weir peeps