I can’t imagine too many people voted early who were not already set on who they were voting. The early voters are likely the committed voting base. I could be wrong, but in the primaries, I can’t imagine the early voting is filled with people undecided or likely to switch ther choice.
I am still worried. Romney, the establishment, and Matt Drudge are pulling out all the stops. It will be very difficult to pull out. A Santorum drop out/endorsement would certainly help...
One problem is some of the early voting went to Perry before he dropped out. Someone has to tell these early voters that patience is a virtue. Heck, any of these guys could drop dead tomorrow. Give it some time before committing, folks.