I didn't think you were denying other possibilities and I know that Tom Brady was an aberration. I don't expect that ever. Colt Brennan?I'm not so much arguing that the only way to find a QB with the 'IT Factor' is with a top 5 pick. That's obviously not the case....
Regarding your examples, I'll immediately shoot down the idea that we're going to find some gem like New England did in round 6... .
It's hard to voice an opinion on a trade up scenario without being qualified to evaluate Bradford, and I ain't qualified to evaluate Bradford If in Shanahan's eyes he is a true franchise QB, and we're convinced without a trade up we can't get him, I don't think you rule it out entirely. Problem is, the cost of that kind of move could be astronomically high and as we're still paying for the sins of Snyderrato and the lack of value they placed on former picks. We'd likely have to give picks we simply don't have to give.
The other thing is, if the Rams really believe Bradford is that guy, that just makes what it would cost to get them to relinquish that pick that much more exhorbitant. If they don't believe he's really that guy, it's worth the risk that that they'll go another direction and Bradford could fall to us.