Think serato have just released their 4 deck system? not 100% tho
Features:
Inputs for four turntables or CD decks switchable in any combination.
Two high-speed USB 2.0 ports for seamless DJ changeover and back-to-back performance.
Aux Input for session recording or LiveFeed.
Aux Output assignable to the SP-6 Sample Player and The Bridge.
48 kHz and 96 kHz sample rate switch on the SL 4 rear.
10-in 10-out USB sound card with any software supporting ASIO or Core Audio.
Built in galvanic isolation for the purest audio signal.
Four software-switchable analog Thru connections for regular vinyl or CD.
Bus power from either USB port or the included external power supply.
Russla, quality mixing mate, never been a fan of more than two deck mixes but this really worked.
and yeh, sick setup indeed.
i swear that site hates me at times.. thanks man, appreciated