What Tabata DVD/Workout video do you recommend?

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Hey guys,
I am just about to finish Ripped in 30.
I am being honest with my workout and eating healthy.
Some how do not see much results. Not in terms of inches or weight.
I want to keep my spirits high and continue to workout.
I do not have access to Gym and work out at home.
I want to start exploring Tabata.
What video should i get? How does tabata work? Or does it really work?
Please help

Cheers!