Going Vegan and Fast Workouts

Okay, so you decide it's time...you want to Go Vegan! Well hang on. Jillian says if you do it, you gotta, gotta, gotta do it right. It's all about balance. You're absolutely crunched for time, but you are determined to get that workout in. Is there such a thing as a fast workout? For sure you can do it, however you have to make it effective.