I would go for this one from numark:
http://www.numark.com/images/products/overview/dxm01usb_overview.jpg
http://www.numark.com/productoverviews/DXM01USB%20Rollout.pdf
DXM01 USB DXM01 with 2 USB Connectors
The DXM01 USB is a 24-bit digital DJ mixer with a 10” tabletop design
that includes two USB ports for direct computer connectivity. Audio
files can be played from computer and mixed along with records, CDs, and
microphone. Mixes can also be recorded back to computer via USB. The
DXM01 USB works seamlessly with all soundcard-compatible Windows and Mac
audio software, and all audio file formats are supported, including MP3,
Windows Media, and AIFF files. No software drivers are needed with
Windows XP or Mac OS X, and a USB cable is included. With a 24-bit
digital signal path throughout, the DXM01 USB offers the purest sound of
any DJ mixer, all digital controls, and sub-bass synthesis with
intensity control.
--
Patrick Shirkey - Boost Hardware Ltd.
Http://www.boosthardware.com
Http://lau.linuxaudio.org - The Linux Audio Users guide
========================================
"Anything your mind can see you can manifest physically, then it will
become reality" - Macka B