Android 4.0 (a.k.a. Ice Cream Sandwich) is the prettiest, most intuitive version of Google's mobile OS yet, but hardware manufacturers still insist on dirtying it up. Android skins are inevitable, but who does it best? See for yourself.
In each of the comparisons, below, HTC will be on the left with its Sense 4.0 skin; Motorola will be in the middle, with an unnamed skin (previously MotoBLUR); Samsung will be on the right with its latest implementation of TouchWiz. For your reference, here's a gallery of the same screen running stock Android 4.0 (Ice Cream Sandwich).