Just letting you all know, Red Orchestra's having a free trial from the 7th to the 10th. It's a WW2 Eastern front Russian vs. Germans multiplayer game with both infantry and tanks, and I've been playing the game since it came out in March and love it. It's newish and has a couple dozen servers running all the time, so there's never a time you can't find a match, which range from 1 vs. 1 to 16 vs. 16.
You can get the instructions on how to preload it here:
http://storefront.steampowered.com/v/indexfw_RedOrchestra
You can read a fairly accurate and detailed review here, to see if you would like this game: http://www.1up.com/do/reviewPage?cId=3150975&did=1
So again, go try out the trial. Just let Steam run overnight, and you'll have it ready to go for next weekend. It's free, and if you don't like it you lost nothing. So again, go download it at
http://storefront.steampowered.com/v/indexfw_RedOrchestra
Keep in mind one thing, though. The game's different from basically any game out there and takes an hour or three to get used to. So keep playing until you get the hang of it, and don't be like Thugg who quits Planetside after like 40 minutes and uninstalls it.
(Oh, and Venom, no, your computer will not run it)