The Fantastic Four: Belgian Aerobic Showdown by Steve Boedt, Lindsay Mommen, David Van De Velde, and Caroline Mervielde

Yang Seng by Tae Eun Ha A total, and totally unique, health and fitness system based on Korean Sasang Constitutional Medicine fused with martial arts.

Airborne by Marcus Irwin Marcus starts with athletic-based choreography and throws in a lot of dance flavor to keep things lively.

Core Force by Anni Mairs Made up of 50 one-minute intervals, it's designed to maximize recruitment of your core and ab muscles.

Aerodynamics by Marcus Irwin Easily transitions from simple to groovy and fun and then onward and upward to power-packed and challenging.

Cardio Sweatfest by Tracey Staehle Double your fun with both high-low aerobics and kickbox.

Dance Aerobic 3 by Marc-Oliver Kluike Combos built on traditional athletic-based moves, with Marc-Oliver adding his unique dancy aspects.

Hi Energy Dance by Steve Boedt You'll find yourself 'monkey-turning' and 'pumping-it-up' with the best of them.

Dave's Hip Hop Battle by David Van De Velde Sharpen your funk gene and get ready for some serious hip-hopping with a master.

Good To Go Hi-Lo by Rob Glick The year's not half over yet, but any instructor coming along later in 2006 has one very tough act to follow.

Just Madonna by Madonna Grimes If dance is your cup of aerobic tea, your cup and teapot will majorly overflow with this one.

House Dance Moves by Tom Woll An energetic and lively routine you'll find yourself reaching for again and again.

Just Dance by Madonna Grimes, B Fuzessy, Tom Woll, R Steinbacher, David Van De Velde, C Mervielde, Christiane Reiter, Marc-Oliver Kluike

Aerobic Dance & Step Showdown by Marcus Irwin, Rebecca Small, J Exposito, R Steinbacher, S Schiemer, N Beyeler, C Luethl, J Fellner

Reit House Moves by Christiane Reiter Rhythm and accent changes make high/low a whole new experience.

Move It: Aerobic & Dance Showdown 2 by Marcus Irwin, R Steinbacher, M Kluike, Y Avidar, D Van De Velde, B Swartout, S Schiemer, J Exposito

Swedish Dance Aerobic & Step by Fredrik Sjoberg A seamless blend of athleticism and dance brought to you straight from Sweden.

Twirl by Marcus Irwin Marcus Irwin has a knack for making complex combinations easy to master.

Box and Burn by Lynn Hahn A 30-minute cardio boxing workout for beginning and intermediate students.

Cardio Revolution by Marcos Prolo Mixed high and low impact fused into creative combinations and infused with mega-fun.

Topless Blocks by Marcus Irwin Enjoy over 20 different high/low and step choreography combos.

All Cardio Latin Xplosion by Carlos Arias High-intensity moves like lunges and plyometric jumps are mixed in with the dance moves.

Zodiac Workout by Sherene Schostak and Ashley Maher Combine yoga, ballet, Pilates, and bellydance with astrology, and voila! -- you have the Zodiac Workout.

<