Well ive used most of the high end mixers at work and here are the ones I love to test out...
DJM-800 / DJM-1000 (love that FX unit!)
DJM-600
Allen & Heath (all of the Xone series are awesome for production too)
Vestax PMC-500
Vestax PMC-580 (Very nice)
Vestax PMC Pro series w/ Samurai fader technology (for scratching)
Ecler Nuo5
And the ones I dread having to test out lol......
DJX700 (worked for a week lol)
Gemini PS series
Vestax VMC ones without fader adjust OR headphone mix, doh