I figured we could update this thread since I'm going to direct someone to it and it's really
OLD! Here are some newer ones...
PHH -
Power Half Hour - A series of strength workouts led by Tony Horton and put out by Beachbody.
YBB -
Yoga Booty Ballet - A series of workouts put out by Beachbody. Someone who has done them might want to describe them.
TJ -
Turbo Jam - Another series of workouts put out by Beachbody, a series of cardio, kicbox oriented workouts.
DDD -
Deep Discount DVD - An online vendor of DVDs at good prices. See threads about them for info about security problems.
BB -
Beachbody - A vendor of fitness workouts and other products.
CIA -
Creative Instructors Aerobics, Inc. - A producer of workout videos, many of which are at an intermediate to advanced level.
CS -
Core Secrets - Workouts led by Gunnar Peterson. Most of them use a stability ball, but he has recently released some that don't require it.
OK. There are tons I missed. Feel free to add your own.