Gym Music for Fitness Class

my friend is a fitness instructor and is setting up a circuit training class. she has the whole routine down to a t but need some decent music to go with it. she is looking just dance music, anyone got any ideas for tracks she could use???
eg. underworld - born slippy
darude - sand storm

thanks neil.

“You spin me right round baby right round.”

Wait. You said spin class right?

come on lads you no ideas at all???