Home ab machines

[DJ_UFO]

Anyone have any idea on what is the most effective ab machinbe out there? There's a hundred of different machines in the market and everyone claim to be the best. Seems like the ab chair could be better. any idea?

 

[steig]

I'm a fan of the full range crunch bench hanging leg raises with a chinning bar at home.

http://store.yahoo.com/homegym/homeabbench.html