Although I was never a student at Aerosim (aside from MEI), I did work there for a couple of years as an instructor and check airman. Also I had friends who were attended the school as a student, instructed at the school, and later went on to the regionals. It was a great place to work as an instructor if that's the path you are gunning for. I have no knowledge of the training contracts so I can't really help you there. But if you need a structured training program and would like to get done in a timely manner, then they can definitely help you accomplish those goals. We had some good instructors when I was there, and some not so good instructors (that's any flight school though). I honestly don't know what the current environment is like there as the turn over is so high with the regionals hiring.

I would definitely recommend Aerosim over ATP for obvious reasons as stated earlier in this thread. Plus the "90 day" zero to hero track is garbage. I realize it's been done before but there's no way you can get a quality education out of that.

Back before the regionals were hiring like gangbusters, I would've highly recommended places like Aerosim as it helps you get your foot in the door at the regionals with benefits like onsite interviews, resume forwarding, etc... But now that anyone with a pulse can get a job flying an RJ around, all of that seems less important. Truth be told you can probably do your training just about anywhere and still get hired in TODAY'S hiring climate. I will say this though, the initial CFI there is an in house checkride and that is HUGE! I went to a small mom & pop type school and I lost months of training proficiency while they squabbled back and forth with the FSDO over checkride dates and the airworthiness of an old, clapped out Arrow. All in all it set me back over a year.

To be honest, there are other parts of the country better suited for quality flight training, but they may not get you done as fast as the schools in Florida as they are more challenging areas to train in. Florida is good for practicing decision making in areas with lots of pop up thunderstorms, and nothing much other than that. It is the mecca of "fast track" style training programs as the weather is nice all year round. You may struggle when you get to the airlines and have no real mountain experience. Know that going in.

That being said...Florida is a great place to work as a CFI right now if you get on at a busy school. Decent pay, year round flying weather, and a reasonable cost of living. When I went out there a few years ago, I got a $7/hr raise, MEI paid for in full, and was billing out more hours than I could have ever dreamed of compared to my old job in southern California.

Good luck with whatever you choose!