alright guys, i have owned a few scoobys in the past, but all have been classic shapes, i have just bought my self a 2003 blob eye wrx, in wr blue, wat i want to know is whats different fittings wise from the classic, and wats changed? apart from the obv

eg, do classic wheels fit? wat pcd/offset is my new one if classic wheels dont fit?
is the engine stil the same? its a uk wrx,

any info would be appreciated
thanks
cj