Hi, I'm looking for a new lens to compliment my 7D. I currently have a 18-135 IS, and a 200 2.8L. I ran an exposure plot on my existing collection of around 2000 images I've shot so far with the 7D. I have spikes at 18mm(200+ images) and 135mm(500+images) and from 19-134 the shots taken average out around 20 images for every 10 mm in focal length that gets added. I have smaller spikes (30-40 images) at 24, 36, and 52. The 200mm is used to shoot football for a friend.
What I'm looking for to expand is indoor, low-light photos. I don't shoot anything in particular, it's simply for my own enjoyment (so no more than $1,000). Eventually I'd like to get a 135L because of the beautiful bokeh. One day I would like to go FF, so I'd prefer all new lens purchases I make are EF...ruling out the EFS 17-55 IS.
Here's what I'm looking at right now,
24-70L, 50 1.4, or a 35 F2. The other option is to just forget these three and go with the 135L now! 
Anyone have any other suggestions for a crop camera? Thanks for steering me in the right direction.
Rick
The few I've found have all sold before I was able to make a deal though.
