We've been patiently waiting for Wacom to officially announce its upcoming Intuos4 tablet (recently caught by Mr. Blurrycam), so were were totally caught off-guard when the company instead unveiled a sort of foray into the music biz, a digital DJ interface destined for release in time to hit Japanese and European clubs this summer. It's called the nextbeat NXT-1000, a device with a plethora of knobs, buttons, and a small LCD for controlling samples, plus a touch-sensitive pad that seems to act as a turntable and a fingertip drum m