Nice Springsteen shoots, gang. I may have one or two wider shots myself. 
Anyway, I want to expand on what I was saying previously. The 70 -200mm f/2.8 IS II, believe it or not, smokes the first version of that lens in all aspects. Here is a long shot from the top of Madison Square Garden with a 7D at ISO 1600 70mm f/2.8 1/40 sec handheld to give you an idea what it can do without a TC.
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And here is a recent one done with the 1.4 TC on that lens. As I said, if the light is fairly good you can get some excellent captures with the combo.