On Piston Heads at the moment theres a thread about the new Golf R. Everyone is gobsmacked at how much it is, and if they were spending that money, they'd go for the S3 instead.
I really don't see what the appeal to Audi is. A lot of them are driven by idiots now days (not all of them, but a lot). I had a new A4 Allroad for a month a while back, and loved the engine it (It was the old GTD engine 170 PS), but apart from that I found it really poor. Every Audi I've taken in as a PX feels like a tank, heavy clutches, nothing great IMO.
Not tried a new A3 mind, but I find the dash on the VW better in pictures, I can't work the audi steering wheel scroll wheels as I have clammy hands. I think VW are getting more prestigious by the day. And plus, the VW is less likely to get pinched and people will let you out as well