Finally got to try this out this afternoon and I was completely blown away with what I saw. Visuals are way above the standard of World at War. I absolutely loved what I saw, and the layout of the map was brilliantly done. My personal favorite spot to train was on the stairwell beside the flogger.
I loved how I was going through the map and it felt like a maze. "I have been here already... right?" WRONG!
I also love the weapon ports. The Mauser/Boomhilda was ported over beautifully, and sounds from the weapons were nice and crisp.
I did not really notice any major issues so far with the map, but I did only make it to round 14, and so far only found 2 perks. I plan on playing co-op shortly, and will PM any and all issues found.
As is though, I definitely consider this to be one of the finest maps I have ever played. It actually feels like a Treyarch map in ALL departments, and only a (very) small handful of maps can ever really be considered as such.
Bravo Jimmy & Blunts... you should both be very proud of this map!