hey there, another fellow kiwi!!!
yes dj gear is really expensive in nz, but if u think the sound equipment is exspensive checkout the diferance in price for lights!!!! its rediculous.

when it comes to djing in nz u have 3 routes,
(the guys at dmc or at the dj course wont tell u this bit!)
1) Mobile Dj, plays requests all night, mainly older/commercial music (average charge around $500 for five hours with 1000 watt pa and lights.
Normaly play on your own or hired equipment, mostly Cds.
2) Resident Dj, and im not talking about at "super clubs" either, at place like fat ladys arms, and other pubs/clubs that play that pop, pop- dance remix, a little bit of house/trance/hardhouse some r&b some classics etc. etc. Average pay for these gigs is around $18 - $30 an hour (less secondary tax if u have a day job!)
The bars provide the complete set up normally with cd players and a lot of the time a basic cd collection with a certain amount of play listing from the bar management.
3)A hobby dj. practise in ur bedroom, hate the music that u hear in bars, ocasionaly get a gig opening for bevan keys or sample gee. maybe if your lucky they might shout you a beer (but dont count on it) once u start getting a name you might get a set at once in a while in a small bar or at some ovf the big dance festivals like destinations again the pay wouldnt normally cover those 12"you bought the day of the gig from beatmerchants that u just had to have. give it five years and maybee you might get to the level of dj philipa, greg churchill and get paidf some money for a mix cd to go on the cover of remix.
i know this last point is cynical but bear in mind that there are only around 15 dj's in new zealand who earn enough to do it full time.
if you are after some turntables and mixers check out trademe.co.nz there are normally some bargains to be had there, and a musicworks store can normally do sharper deals on numark products than dmc.
i hope i havent put u off djing forever!!!!