I think House is the next step. He played really well this year, and I think his inability to play the PG spot is VASTLY overstated. Other than 1 or 2 games, he had no problem bringing the ball up and initiating our offense. The guy has ice water in his veins, we might not NEED him back, but we could sure do worse.
Then, I think we bring in a few vet minimum guys to fill out the roster (Birdman, Zo, Finley, etc). Also, while I don't think its necessary at this point, I would look to see if trading some end of bench guys (BigBaby, Scal, Pruitt) could net us a pick, or maybe an unhappy vet in a losing environment.