Any info on importing mp3's, anyone used a pc?.

My understanding is that the DVR-545HX-S is a host device, as far as the USB connection is concerned, so you could connect a USB pen Drive / memory stick, or external USB HDD and transfer photos and MP3's, but not connect it straight from a PC to the DVR-545HX-S, as that would be "host to host" USB connection and wouldn't work. I stand to be corrected though!