In addition to amazing specs, an improved lens, and cool new connectivity options like wifi control (that seem to actually be arriving this time), the GoPro Hero3 shaves 30% from the already svelte body of the Hero2. It actually makes the older Hero look like an outdated, clunky dinosaur.
Check out this side-by-side pic for a comparison. This camera just popped onto the top of my “must have” list.