With a touchscreen that's quick to use and results that are surprisingly decent, the Panasonic Lumix DMC-3D1 is a point and shoot camera in every sense. At just short of three seconds from switching it on to taking the first shot in either 2D or 3D mode, it's faster than the Fuji W3. Shot-to-shot times are snappy, too.
However, because you're unable to view 3D content on the Panasonic Lumix 3D1's LCD screen, it does take some of the fun out of the process. In this regards, the Fuji W3 is more immediately satisfying, particularly if you're looking for a camera that'll keep the family entertained as well.
The big screen, effective image stabilisation and opportunity to shoot HD video and full-res pics at the same time are all excellent points of this camera.
The short battery life and the fact that you can't view 3D images or footage in-camera dent the Panasonic Lumix 3D1's appeal somewhat.
At current prices, the Fuji W3 can be picked up for around half the price of the Panasonic Lumix 3D1. If you just want to dabble in 3D photography and video (albeit 720p), then that's currently the more enticing proposition.
However, if you'd rather not buy into two-year-old tech, and you're after a 3D camera with higher specifications and better overall performance, then the Panasonic Lumix 3D1 is the one to go for.