this is what i use last year.
1xcompaq presario dv5000(1.6Ghz DC,1GB DDR2)
1xbcd2000
1xm-audio connectiv
1xgemini tt03 with torq control vinyl
M-Audio Torq software
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im now using 2 cdj800's + 1 djm400 with macbook 2.0 running torq
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https://www.youtube.com/watch?v=g5UgIfuLx-E