Buy some Tein Super Street Coilovers (should be under $2k). Height and dampener adjustable, extremely easy to install yourself.
Where I got mine:
WA Suspensions
* SAUWA sponsor
* Anything Suspension related
* Contact Brad (aka R DIRTY 3 for pricing)
28 Colray Ave, Osborne Park, WA 6017
Phone: 9444 0500
Fax: 9444 0588
Email: wasus@wasuspensions.com.au
http://www.wasuspensions.com.au/
Talk to Brad or Matt, they are both here on SAUWA and have their own Skylines.
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And tint the windows for maybe $300? I personally used TKO Window Tinting a couple years back. My tint is still perfect, and they did darker than legal for me.
http://whitepages.com.au/wp/busSearch.do?s...cation=Perth+WA
TKO Window Tinting
(08) 9472 6440