88sentra

Hi this forum is great, ive just finished putting a install into my nissan sentra it consists of: pioneer head unit deewoo 5.25" midbass 2" tweeters Graphic equaliser amp 200w sony 300w 6x9s auto fx 600w sub Im looking for a cheap new h/u and amp, i live in new zealand and its quite expecive, so any help will be apperacited Oh yea i suck at spelling cheers dan