If you seriously think Foles will be more productive than Mike Vick then you clearly aren't an Eagles fan.
Cause if you were an Eagles fan you would have been watching long enough to know that the O-Line is insufficient and play calling is mind boggling sometimes.
This happens with every quarter back change...This is exactly what will happen...Foles would get in and play pretty well for a few games because there wont be much of a scouting report on him and teams wont know how to play him...then he'll fall completely the fukk off after teams know who he is.
Look at Kevin Kolb...they were talking about replacing Vick with Kolb.