This is just another calculation (maybe I should have put it in the odds section, but whatever) that one can take as one will. I think it's mainly relevant for medium stacks--particuarly in tournament situations where the aggression level makes it tough to see flops without being almost pot-committed.
Anyhow, I'm going to call "truly good" starting hands JJ-AA and AK. Obviously, situationally, one wants to play more than these, and obviously, also, any pair has some major potential on the flop to hit a set, although I'm beginning to think trying to hit your set often has less tournament relevance than it does in cash games (they're just too rare, basically, although great when they happen--but attempting to play smaller pairs unimproved is yet another topic).
So, question is: How many hands must I normally wait until I get JJ-AA or AK?
Well, there are 1326 starting hands. Of these, there are 6 of each of the pairs and 16 AK hands, for a total of 24+16 = 40. 1326/40 = 33. So, every 33 hands you should be getting one these juicy ones on average.
And, if people are raising so often that I'm having trouble seeing a flop, I think I would be willing to play these things pretty hard PF. The waiting time really isn't all that bad (between 3 and 4 orbits).