There's absolutely nothing wrong with drafting a QB who runs a spread offense at the college level. As long as he makes the right reads and knows what he's doing. Sam Bradford is doing fine and believe it or not but Drew Brees ran A LOT of spread formations at Purdue.
If you've ever watched a Bills game, you'd notice we run a lot of shotgun, spread formations, as do the Patriots and the Saints. Lots of teams are running more and more spread formations so I don't understand what your beef is.
On the other hand if you're in a spread OPTION offense, there is cause for concern. That's a whole different story (::cough cough:: Newton and Kaepernick ::cough cough: