Keep your tool belt loaded:

“The latest hot news in DJ electronics involves the collaboration between two industry heavyweights, and has resulted in two products that are likely to be very big indeed. Serato have just released their Serato DJ software which is designed for all-in-one controllers and is the much anticipated upgrade that Serato users have been waiting for. The Pioneer DDJ-SX has been designed to integrate perfectly with Serato DJ, with intuitive control of all of the fancy new features found in the software, and makes the lofty claim of being “the most advanced all-in-one DJ controller to date”. -DJMag.com