I've got pdx-d3s
They're great, lovely decks, superior tone arm, good pitch control and the idea of a joystick jogwheel is excellent.
Problem being - not that many places have them. I learned on technics so no bother to me when playing out elsewhere, but its hassles when you get used to one system switching to another.
Would probably get mk5 if I bought decks now, its just easier having the industry standard. Happy with my DJM 600 for the same reason.