Cage and Emerald Coast are the two I've heard talked about, with all good feedback on both. Having done Emerald Coast, I have only good feedback for them, with the following highlights:
- Lots of opportunities for seminars in multiple locations. If you can get a group (I think the minimum number was 8), they will come to your location.
- The fee (I think it was $300 when I did it), includes access to several hours of audio prep files and the seminar which ran about six hours if I recall. You are considered a lifetime member and can return to audit a subsequent seminar for no additional cost. When you get a call for interview, they will do a phone mock interview tailored to your airline.
- They get updated feedback from their clients on the airline specific interviews, which they incorporate into their training. During the seminar, each individual gets an opportunity for a short mock interview with questions specific to their desired airline(s).