Lori,
Some might think it's too much, but I added 1 circuit w/o (Gauntlet, Drill Max, etc) once a week and 2 Cathe leg w/o's (1 endurance and 1 strength)to p90x and am seeing a lot of strength and definition. Pull ups have gone from 4 unassisted to 6 in 3 weeks. Cardio is 3x a week (usually...