Ok, assuming you've got a stocker with exhaust and semi decent intake, here is a rough idea;
Clutch (jap twin plate); $2000
Injectors: around $750 mark second hand or about $1200 new
Fuel pump: 044, CRD sell them for $280. Filter also required, do a search on this subject
FPR: $190
Splitfire coilpacks: $645
Radiator: $300 for a china special, $900 for a jap brand
Radiator hoses: $200 or so, silicon
Hard pipe kit: $600 ish
Proper hose clamps: About $100
FMIC: At least $1000 for jap (not required for 350kw atw, anymore and generally required)
Camshafts: $1200
Cam gears: $300
New turbos: Dash 7 or 5, both about $2500
Dump pipes: Tomei $1000 or so (stock is ok to the high 300kw mark)
Oil pump: N1 $550
Head restrictor: $20
Oil return from head: $100
N1 Water pump: $330ish
Labour: Left arm, right leg and your first born.