The Pure Digital Flip UltraHD looks a lot like other $200-and-under pocket HD camcorders, but experts say it offers some real advantages over the competition. It's unfair to expect the UltraHD to deliver the video quality of even mid-priced HD camcorders, such as the Canon Vixia HF200 (*Est. $600), let alone top performers such as the Canon Vixia HF S10 (*Est. $1,105), but those pricier camcorders shoot in 1080p HD, while the Flip UltraHD shoots in lower resolution 720p HD. Still, testers say the UltraHD's footage looks surprisingly good considering its price -- even a little better than the Pure...