+3  A: 

Just use a normal view controller, assign the modalPresentationStyle property, and present it as a modal view controller. Please read the "iPad Programming Guide" / "Views and View Controllers" for detail.

KennyTM
http://developer.apple.com/iphone/library/documentation/General/Conceptual/iPadProgrammingGuide/UserInterface/UserInterface.html
norskben
The `modalPresentationStyle` you are looking for by the way igul222, is `UIModalPresentationFormSheet`.
Dimitris