There are some guides on here, the search engine should find it. You can get them off Ebay:
http://www.ebay.co.uk/itm/NISSAN-350Z-3 ... 1e67d2a85b
Edit: here's one I found viewtopic.php?f=26&t=1231
I have had two tax rebate's and lets put it this way, the first rebate paid off a huge chunk of my America Road trip and the 2nd lot paid for my new wheels on the Zed Be flipping amazed if I got another one
Haha, yeah thats what I said when I bought the car and thought I will leave it standard as it looks great anyway. Then after a week of having the Zed I went to my first meet and since then it been a slippery slope of some modding.