I picked up some bits from a guy on trademe who had a silver Altezza.
He said he's been searching high and low for a rear spoiler for it, as his was a factory spoilerless model.
I suggested that since a lot of people like the despoilered look, he'd probably have a good chance of finding someone to swap bootlids with, save drilling etc.
So if anyone in AKL is interested, send me a PM and I'll give you the guys details!