IDEA!
Sell my GTX 460's now, put in the old GTX 260 (I think it's still downstairs), hold the money for a bit (three to four months), then sell the 260 and use the total sum of the money to replace it with something newer, such as a 570.
Oh, and at the same time, might as well sell the TX950 PSU, and just use old reliable TX750.