I have two contourhd 1080p cameras and I'm happy with them. The wind noise isn't hard to handle on the Contour. The wind is audible from the front LED or the bottom located microphone. A piece of clear or white tape across both takes care of noise and you can still see the LED. Or just replicate the GP by using the waterproof housing. It's overkill though.

I actually like the wind noise in my videos and since I use a front and back camera I have two audios to choose from. Even if noise is an issue just run it through an audio editor (I use adobe audition) and noise go bye-bye. Audition also has a voice enhancement filter that works amazingly well. I recorded someone speaking from about 20' away (and he wasn't even talking toward me) and it was barely audible. After running it through the filter the voice was tinny but I could actually overdrive the speakers.

Here's the video. All shots were taken with two contourhds. Videos are 60fps at the source but YouTube drops it down to 24fps. Cheers