One of the favorite things users like to do with their Samsung P3 is customize them with themes- there is an entire subforum dedicated to them. There is everything from just a simple user created ABI background swap, to a Vista Theme to even mimicking the Cowon S9 UI (Imitation is the best form of flattery?).
Taking a page from HTC’s Sense UI for Android and old school Windows Phones, this user created a theme based on the HTC Droid Eris. Grap it here if you are a P3 owner that wants a little bit of Android action: Discussion Thread | Download Page