Detect iPad/iPhone

How do I detect if my app is running on an ipad or iphone - since I want to use different texture sizes for each. currently I have found:

RuntimePlatform.IPhonePlayer

but that just tells me if I’m on iOS

iPhoneGeneration

http://unity3d.com/support/documentation/ScriptReference/iPhoneGeneration.html

thanks! exactly what I was looking for.