Here are some sample videos I took while walking around town today in 720p. I've uploaded them to YouTube so you get an idea. Give me some time to upload more samples and the original video file.
These files are big and my upload speeds aren't too good.
Galaxy S 720p sample video 001, Download original 3gp 720p video sample here: http://www.mediafire.com/download.php?ndtzem5noof
Galaxy S 720p sample video 002, Download original 3gp 720p video sample here: