Haven't flown the 717, but it's a lot like the MD-90, just more automated (technically an MD-95). I enjoy the -90, but I prefer the A320/319. The Airbus is much more integrated, automated, easier to fly, and roomier with a table & 2 jumpseats up front. The APU cools the aircraft immediately. The systems are a "lights out" philosophy, so if you don't see a light illuminated, then the system is working properly. You can fly the Airbus as manual as desired, just need to fight complacency.