http://www.dualfit.com - This 5 step plyometric cardio circuit is great for burning a serious amount of calories and developing explosive muscles!
Check out Steve's site for more workouts like this:
Pyometrics, also known as jump training or plyos
Dumbbells or Barbell, pull up bar or pull down cable/band, and box or bench
Plyometric training, primarily used for athletes not only improves strength, power and stamina, it burns a serious amount of calories too. Watch the training video to reference ideal pace and intensity so you get the most out of this workout. In this circuit, each plyometric movement is followed by a strength movement to help improve both conditioning and muscle tone all in one workout. Plyometric exercises should be explosive and powerful. Rest should be limited.