I wish I'd ordered mine with some 18s, then again I don't really like the Monza IIs, and pescara's weren't an option. Oh, and I'm annoyed I cheaped out and didn't get DSG. If I buy the new model in a couple of years I reckon DSG and a set of those funky turbine looking Scirocco alloys would be on the spec list.
Aside from features? I miss the grunt, 4wd, and driving position of the WRX, even if I don't miss the mini cab interior. That's about it though.