The Pioneer CDJ 2000 Nexus is the new club standard CD turntable. Play song off your USB, SD Card, CD or use the 2000 Nexus as a soundcard / Interface and control Traktor DJ Software.
You can also access your music library wirelessly from your Iphone. Just download the free Rekordbox app from Apple and you have full access to all the songs on your iphone! Also works with other smart phones.