Is A Leverage Bench A True Bench Press Which Is Better For My Abs?

Which is better for my abs? - is a leverage bench a true bench press

http://www.amazon.com/POWERLINE-Ab-Plate-Load-Bench/dp/B0002E8TJS/ref=sr_1_2/002-7341648-7739211?ie=UTF8&s=sporting-goods&qid=1181449823&sr=1-2



or




http://www.amazon.com/Powerline% C2% AE-Leverage-Ab-Bench-PAB21/dp/B000MYEUF0/ref = sr_1_1/002-7341648-7739211? ie = UTF8 & s = sports & qid = 1181449823 & sr = 1 to 1