Connect your camera to your Mac via Firewire (check your manual - camera needs to be in PC/Dub mode).
Assume you're using FCP - under the Import menu, choose Panasonic P2. A window will open displaying all cards in your camera, and the thumbnails of footage on each card. Import and smile.
FCP can't work with the raw data - it needs to convert it to Quicktime (no quality loss, don't sweat). In so doing, it will copy .mov files into your capture scratch.