Forum: MAC Version Technical Support - Topic: Mac OS Soundcards:

http://www.portlandmusiccompany.com/soundcards.html

here is a list of some supported cards for mac os if you are interested or stuck looking for a usb card for mac

if you're planning on buying this card, presumably for Virtual DJ use on the mac, it might be a good idea to wait for the software to be released. I'd hate to see someone buy a card in anticipation of a mac release, only to find out that card doesn't work or doesn't work well.

Be safe and wait for release.

Yes, I advice strongly anyone that are going to use the MAC version of VDJ, to wait until the release for announcements on what souncard(s) will be supported.