I'm pretty happy with my Edge 500 (after the latest firmware update). Don't know if I need any extra functionality or even the touch screen of the 800. Kinda seems like it would be tough to use with full fingered gloves.
http://garmin.blogs.com/my_weblog/20...ng-easier.html
http://www.bikeradar.com/news/articl...e-review-27494