I recently completed the three-day class with BPT at Nashua, New Hampshire. With 45 years of flying and 28000 hours, I have to say this was the best training experience that I have ever had. I learned a ton about my F33, which I’ve owned for five years, flown it 600 hours, regarding systems, engine, and avionics. The flight was about four hours, was very well planned and organized, and covered everything I could want, and a few things I was less than comfortable about (i.e., partial panel VOR approach to a miss, under the hood). The course gave me a great deal of confidence, affirmed a few good habits, corrected a couple of bad ones.
I have to recommend this program to anyone with a Bonanza or Baron, regardless of your experience level. You will gain greatly from it.