Welcome to our genre of the hobby. My only caveat is the beauty of the women combined with the convenience, cleanliness, and general friendly attitudes make it addictive, so budget accordingly.
As for a primer, I would suggest reading the two stickies posted above to get a general feel for AMP protocol. As for 7th specifically, I believe nearly all if not all of the current lineup has been reviewed, so you will find a plethora of information on each lady. Each is different in her own right so look for what best suits your style.
Don't forget however that there a number of other great AMP's in that general vicinity. The ladies at Jade and Smile are first class in quality and attitude. If you prefer Thai girls over Korean girls, my choices are Aloha/Cleopatra (2 spas adjacent) and Blue Angel. IMO, Korean girls generally are more passionate and offer a wider menu, but that is not always the case.
Good luck!