I'm in the middle of training and I have no real complaints. All the Mesa training employee I've dealt with are top notch.
They start a class just about every 2 weeks.
The one thing I'd like to see is more FPT training before you go to the sim. I think that would lower some of the students anxiety. But hey, it works and you do have plenty of sims to get ready for the check ride. I can say that everyone in my class was well prepared for the oral. There was a lot of group study which helped with that.
Feel free to PM me if you like!