PARMA ALFA
#2
have you tried RC Hobbies in Petersham or Vaggs in Miranda. I know they have HEAPS of PARMA bodies everywhere! not sure on Alfa in particular but give them a go!
#4
I think Kelletts may be a chance or if not try frontline in newcastle. ANy of the guys there will help and postage is cheap as and you will have it next day. Its not in Sydney I know but it could be a good alternative PH: 4929 1140