Multi-touch gestures set the Magic Mouse apart from the competition. The multi-touch user area is spread across the entire surface of the mouse, so you can swipe your finger anywhere and expect the same results.
Sexy design; vertical scrolling works like a physical scroll wheel, Pairs easily with Mac computers, Ambidextrous
Awkwardly narrow profile; Laser sensor not as advanced as Darkfield and BlueTrack competition; Horizontal swipes don't feel as natural as thumb buttons; Can't customise swiping functions; No pinching