I chose to swap. Done the DVD everyday of March except for one so far, of which I did 40 minutes cardio instead. In that week I have managed to loose 4lbs. I think it was definately the right choice.
The DVD is intense, fast, motivating. Its not a DVD that drags, the sections are over very quickly and the time really does fly. It is fun and very rewarding. Tough at times but definately worth it =)