Here's some file sizes for you. This is running 4500000/6000000 MPEG-2 with the PVR-250: 2 hours: 0800 - 1000 4669736896 Jun 28 10:00 2044_20030628080000_20030628100000.nuv 1 hour: 2300 - 0000 2329622464 Jun 30 00:00 2044_20030629230000_20030630000000.nuv