What an odd thread. It just goes to show everyone is different. I (like everyone else) felt I had an underdeveloped chest, and always have. During a down time in my workout career (cancer) I spent alot of time just doing pushups. I would do 3 or 4 sets of as many as I could do. then I would superset each set doing push-ups from my knees (girl style?). My chest grew more in those 3 months than it had the previous 10 years doing dumbell presses and minimal bench. Now that I'm free and clear I've been hitting the gym again and the pushups have fallen by the wayside b/c they just aren't as gratifying as setting PR's in the gym.
THAT said I've gone to DC in my core excersises and I alternate bi-weekly between reps and weight. Kinda like the bigvrunga. Just yesterday I beat my PR for flat bench (set 3 weeks earlier) by 65 pounds...really. I'm not much of a bencher, more of a dumbell guy but if figured I have to really focus on benching to get some good size. FWIW....happy lifting...and not much can beat creatine and quality protein for helping you out.
not like this thread needed another post.