First, great review ;)
Second, great map. The tight hallway at the lightninggun is a little too much for my taste but I don't like the lightninggun anyway. I really like the dusty atmosphere. This goes well with the bright cpma lighting. I kind of like it that in the first 5 minutes I was struggling against bots but then i'd get the hang of it and I could use my strengths to get the momentum back. Fun times!
Edited 15.23 hours after the original posting.

the small size and dead ends is what really kills this for me