This video from the USCG is the first real look at Gavelston, TX since Ike struck.
Extensive flooding on Galveston Island can be seen in this video captured around 2:45 p.m. Saturday by an HU-25 Falcon jet from Coast Guard. Video provided by the U.S Coast Guard. Sept. 13, 2008.
The flooding looks pretty extensive and not far from what was predicted.
Video of Crystal Beach – Just north east of Gavelston, TX
The damage is just as extensive here.
Google before and after Satellite images: