As a USSD student, let me take up the cause on behalf of my dojo.
Now obviously, my experience at a single USSD dojo isn't neccessarily representative of the organization as a whole. I can only speak for my location. Also, what I'm looking to get out of MA may well be different than most of the folks in this forum. I'm 43, I never had any MA experience and I was looking for an opportunity to get in shape, have some fun and share something with my 9 year son, who was interested in learning the martial arts. I'm not especially concerned with streetfighting or competition, nor do the differences between various kempo styles particularly interest me, so take that into consideration when weighing my thoughts.
So here goes:
I've been with USSD for 9 months, during which time I've learned a tremendous amount, gotten into the best shape of my life and been surrounded by a remarkably knowledgeable, respectful and caring team of instructors. The classes -- both group and private -- are rigorous and well-organized, the material is presented in a clear and sensible fashion, and there is a constant stressing of the basics -- our chief instructor is a perfectionist when it comes to stances, footwork and targeting.
Morale and camraderie among students is outstanding, especially considering the wide range of age and experience. Our chief instructor personally conducts almost every group class and the majority of my private lessons. He's an excellent teacher and communicator, who's shown great patience with a 43 year old guy who was, to say the least, a tad inflexible and slow at the start. He's also known when to push me to my limits. In short, he's sent me on my way to becoming a lifetime martial artist, when all I thought I was going to get out of it was a few months of decent workouts.
As for my son, he's hooked. He loves his classes, he's gobbling up material and he's gaining power and balance each day.
So there you go -- one man's experience with one USSD dojo. Take it for what it's worth, but if the other locations are anything like mine, I'm a fan.