The 135mm f/2L is an amazing lens... one of the best that Canon makes. If you see yourself using that focal length, I highly recommend it (I wish I had one).
The 70-200mm f/2.8L IS II is an awesome lens. If it isn't the Mark II version, then I recommend stepping down to the 70-200mm f/4L IS, assuming you don't need the f/2.8 aperture. It's one of my favorite lenses and it's significantly lighter than the f/2.8s, and much cheaper. Whichever you decide on, make sure you get the IS version... it makes handheld shooting much easier.
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