Experimental Coldboot MP3 hack: I posted about this already, but think its worth a thread. This could be used to save space on flash in CFW. With just a few simple 2 byte patches and one file swapped we can have the PS3 play MP3s instead of AC3s for coldboots (and probably gameboots - untested) Step 1: you replace the libac3dec.sprx with a copy of libmp3dec.sprx in dev_blind\sys\external\ Step 2: Patch custom_render_plugin.sprx lke this: Then put your mp3s on flash in dev_blind\vsh\resource. You can delete the ac3s. This needs to be explored more to see what unwanted side effects there are from swapping this file, There will most likely be issues with movies with ac3 audio.