Determine device (iPhone, iPod Touch) with iOS

Question

Is there a way to determine the device running an application. I want to distinguish between iPhone and iPod Touch, if possible.

Answer 1

Please feel free to use this class (gist @ github)

CODE REMOVED AND RELOCATED TO

https://gist.github.com/1323251

UPDATE (01/14/11)

Obviously, this code is a bit out of date by now, but it can certainly be updated using the code on this thread provided by Brian Robbins which includes similar code with updated models. Thanks for the support on this thread.