seen it many times. but real dj's dj.
disclaimer: there are certain gigs/events that it is uneccesary to do a whole lot of "mixing". in fact, sometimes it's just not possible. I am not going to say I've never played a mixx CD cause I have, plenty of times.
usually either daytime, early set, when other components of an event require my time, or I know it's a demographic that doesn't CARE about the mixing.
'waving their hands around'
Ha! I knew it!