Woh, hold on there, like, a power brick or somethin' for the card?
Just read your post so its K now.(Mabye) FYI.
Also, yes, I play on Steam a little and I've been thinking, were the components in my computer supposed to be sold for this generation of games, I only got it a few months ago. Although, I just bought a new(ish) game, Supreme Commander 2(only ten bucks on the weekend!) and it runs fine.