if you want the best iPhone look and feel...i have to say this is the best one is
iPhoneToday from xda
its the BEST! I've tried them all and nothing comes close to this app
http://forum.xda-developers.com/showthread.php?t=508429
and if you dont want the bottom bar just install
nueNoBar2-225-v2.0-cab.cab ...you will have an near perfect iPhone Clone