Just so you know the what's happening with the competition, Nullsoft has released Shoutcast DSP v1.90 supporting AACPlus encoding for free. http://www.shoutcast.com/downloads/shoutcast-dsp-1-9-0-windows.exe The shoutcast website hasn't been updated yet. You need Winamp v5.1 which includes the AAC+ encoder DLL. Regards, Ross.