I have a Panasonic one bought about 3 years ago. Approximately the size of 2 audio cassette covers glued together (ie. very small). Quality is unparalleled. I have a FireWire card in my PC so I transfer video directly for editing and writing to DVD without any loss in quality. Highly recommended.
No idea what models are available at the moment, but they just seem to be getting smaller & cheaper every day.