I purchased a Panasonic HD video camera HDC-HS20. I was surprised to find I could only get approximately one hour of video on to a 4.7GB Dvd disc. Does this sound about right ? With my previous camera, also digital, but not HD, I could get 2.5 hours of video on a 4.7Gb DVD disc.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic