I just arrived at MSY this morning. The new terminal looks great! Lots of glass and natural light. Very spacious. A variety of restaurants (while it is noted by others that these are run by a food services firm). When I got to baggage claim, the bags were already going round the carousel (note I was in the back of the plane). I had to wait about 10 seconds to grab my bag. Landing to the taxi queue took 20 minutes. Another 30 minutes and I was on Canal Street. There was a bit of traffic to get onto 10 but it was moving. There was a long line of traffic heading West on 10 to get off at MSY.
The only downside I encountered - the ladies' room soap dispensers weren't working yet so bottles of hand soap were on the counter. Not a deterrent to a positive overall impression!