your in singapore right?
if you do get the datsek, youll need it setting up on rolers...obviously.
but what is pass though thermostat for coolent?
are your refering to wirering the thermosts open all the time so it passes throught the radiator constantly?
and didnt you make a cold air box for the filter? if not, go and make one!!! and use the standard airbox with the hot air pipe removed, and re-routed to the front.
supersprint manifold is good, but is it port matched or is it tubular? a whole single box system will help make better use of hat expensive manifold....stainless right?
i would hold off the unichip until you get th full system, if you can find them, higher lift cams, balance the bottom end, and possibly port the head. If your in the UK, i can do this for you for about 300quid since its 16V and 16 ports..alot of work!
wont be radical, but will smooth airflow no end! about a 12% gain in flowwithout losing airspeed.