Preface: to skip the head-scratching and blind alleys, refer to the summary HERE (click). Something to be aware of: the current roll-out of the custom software relies on file system facilities which are present in Ext3 but not FAT32. This explains the random difficulties I have had running the mods from a USB stick (HD-FOX) instead of the internal drive of an HDR-FOX or (as most HD-FOX owners would do) from an external Ext3-formatted HDD (which would be needed if you intend to record). I have had no success trying to format a USB stick as Ext3 (the Hummy doesn't offer the option, and last time I tried on a Linux PC I ended up with a dead stick and had to rebuild it). It doesn't bother me much, I don't need the MSP on my HD-FOX (though it might be nice to mount the HDR's drive as a network share once decrypt-in-place is out of beta), and it seems to me the neatest way forward is when we get NTFS support built into the core CF (which should have similar capabilities to Ext3). Update: Actually, I do need the custom software: without an aerial I have no source of system time, without which I cannot access the TV portal functions - af123 rolled me a "set system time from the Internet" utility; and even more seriously it has been demonstrated that streamed playback is limited (by a firmware bug) to 4GB per file, the work-around for this being to install network file sharing.