The GF1 offers a lot of features, but as long as you're not a newbie you should find all the controls pretty easy to understand and find, without too much menu diving. For instance, the switch for burst shooting, bracketing and self-timer is more easily accessed than on most models.
The camera also has a lot of flexibility. The two custom settings slots on the mode dial hold two sets each. With the Motion Picture program mode, you can adjust exposure compensation and aperture. And a (poorly named) Peripheral Defocus scene mode functions as a kind of wide-aperture-priority mode for obtaining shallow-depth-of-field photos. My only gripe with the design is the rather small, hard-to-feel record button.
Panasonic is pretty good about giving you direct access to the most frequently used shooting controls. The navigation buttons bring up white balance (including two manual slots and color temperature), ISO sensitivity, AF mode (face detection, tracking, 23 area, or single area), and a function button to which you can assign film mode, aspect ratio, quality, metering, intelligent exposure, and a few display options. The Q.Menu button pulls up the rest of the important settings: flash options, color/film modes, stabilizer options, still- and video-recording quality, LCD brightness options, and duplications of some of the direct-access control options.