Hey mate,
From experience, I had a set of Tein Super Streets (the ones that are built in conjunction with Fulcrum Suspensions) fitted all around for $1750 (for the coilovers) and $250 on fitting. They are ride height adjustable and have a 16 way damper. Contrary to popular belief, they are very good for Australian conditions and provide a firm yet realistic ride. They are also fully rebuildable by Fulcrum (located in Brisbane i think). It worth considering them if you dont mind the extra $500 ontop of your budget.
Cheers