Workout DVDs similar to 30DS?

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I'm on day 20 of the 30DS and loving it! I'd love to find another workout that is short and effective, just like this one. I know there's "ripped in 30" but I'd like to take a break from Jillian Michaels.

Two conditions: needs to be short (20-25 min) and use no special equipment (other than weights and mat)

Thank you!

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