On Sat, Aug 26, 2006 at 01:21:00PM +0200, Wolfgang Woehl wrote: > May I ask: Is this setup going to be an entertainment device or a weapon? There are many other things it could be. The two options you provide are not even mutually exclusive. To return to the OP's request, AFAIK no-one in the audio world has been so mad as to go beyond 192 kHz. So you will probably need a general purpose DA card. For 500 kHz it need not be very expensive, but still more than a cheapo audio card. -- FA Lascia la spina, cogli la rosa.