Sunday -- Chest, Biceps, Calves, Abs
Monday -- Back, Triceps, Hamstrings, Abs
Tuesday -- Shoulders, Forearms, Quads/Butt, Abs
Wednesday, Thursday, Friday -- Re-do cycle
Saturday -- OFF
I know that sounds like a lot of ab training, but so far it works for me. All told, I do 75 - 90 minutes per workout, between 45 and 55 sets.
Also run for cardio -- 5 times a week.