In reply to:

Audio formats supported "out-of-the-box": WAV, AIFF, VOC, AU, SND, Ogg Vorbis, MPC, MP2, MP3
Audio formats supported through official addons: MPEG-4 AAC, FLAC, OggFLAC, Monkey's Audio, WavPack, Speex, CDDA, TFMX, SPC, various MOD types; extraction on-the-fly from RAR, 7-ZIP & ZIP archives


Heh - Yea, it supports AAC if you get the special edition version that I linked that has most every plugin integrated in the small 2 mb package. But I'd imagine that the DRM may prevent some from working.