You know, dude...I hate to admit it, but if I were you, I'd sell the 17-40, the 135L, and the 70-300 DO IS. Put a bit of money with it, and boom. 300 2.8 L IS. Fun, huh? It'd spank the other lenses for IQ, and it'd be a hell of a lot more fun to use.
Do it.......do it.




