USNA has always been my number one. I applied to Navy SS, but there was no point in going since I knew that is exactly what I wanted. Was encouraged to look into other academies. AF was the only other one I was interested in. Went to AF session one. Had a blast. But the Air Force is not what I want for a CAREER. Not interested in flying. No other careers in the AF really grabbed my attention.
I guess to me summer seminar wouldn't have done anything for me because I'm not interested in which SA is bigger, better location, better majors, etc. To me it isn't about the service academy IT'S about the career. And quite frankly for what I want, Navy offers the best option.
That's great you like USXA'S campus better than USXA's campus, but that doesn't matter when you consider that at a minimum you are serving atleast five years after. To me finding out what a career is like isn't going to come from a one week recruiting session, it come's from reasearching, speaking to AD officers/enlisted, vets, etc.
Now don't get me wrong summer seminar was a good learning tool. It definetly does help someone who is truly on the fence. What summer seminar did do for me was, like what the above poster said, help me decide that an SA is a better option than NROTC at a civillian college.
So to sum it up:
1. Yes
2. No
3. Career route.