Wow the bitcoin difficulty is skyrocketing. Everyone switching from BTC to LTC and back from FTC to LTC.
Network Hash Rate 19,722.259 GH/s Current Block 348,375 Current Difficulty 396.5528 Next Difficulty Estimate 688.7919 Next Difficulty Change 0 Days 16 Hours 22 Minutes
Would it be as simple as buying two more cards at 250 each and putting them in?
They would be about $300 each but with the correct set up the entire thing should come out to around 2k. Dont build a rig with GPU's for Bitcoins but instead run it for litecoins.