ADVICE NEEDED ]Was offered two CDJ 2000 Nexus and a DJM 900 mixer for $2800. Wondering if someone can help point out some key features I would be missing out on since
Pioneer DJ DJM-450 2-Channel DJ Mixer and (2) XDJ-700 Multi Players | PSSL ProSound and Stage Lighting
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Amazon.com: Pioneer DJM-2000 Professional Performance DJ Mixer : Musical Instruments