That doesn't mean Perry is the better choice right now. There's so much more that goes into playing QB than just having the better arm or better legs.
Rosier and Sherrifs were far better in the scrimmage and actually give us a chance vs FSU. Starting Perry vs FSU would be the equivalent of handing a forfeit note to the ref.
The FSU game is 5 weeks away. As Richt said in his presser, the young QBs can improve exponentially while the veteran QBs will only make incremental improvements. Still a lot of football left to be played.
By the way, Rosier has thrown more picks this camp than Shirreffs and Perry combined. I'm not sure which one of those three is most ready to play FSU because they have one game of combined starting experience between them.