You want Eddie George, Corey Dillon or Curtis Martin. You might not get it, but that's who you want. If you can start three WR and you have those two studs, you could stand pat. It wouldn't be my recommendation. Eddie George is going to be the hot back this year, and with good reason. His team is better, and he's healthy.
Conway isn't a good three only because of Drew Brees. Dez White will be a nice two receiver if he get's to play in Chicago with their 1800 receivers. Price will have a nice season, a big target for Bledsoe to throw to. Pinkston is inconsistent, fast, and brittle. Good luck with him, he can put up numbers. Reggie Wayne still isn't 100% healthy, but he's got all the tools of a top-flight WR.