This year? Palmer, just too many weapons in the desert.
Next year and beyond? Pryor. He may be a legit QB for the Raider Nation, but I want to give him a year to grow into the role. If he was a Vick/Cam/RG3/Kaep/Wilson, he wouldn't have been behind Palmer last season, IMO.
"We couldn’t do diddley poo offensively, we couldn’t make a first down, we couldn’t run the ball, we didn’t try to run the ball, we couldn’t complete a pass - we sucked." ~ James Ernest Mora