Want a fast saloon - any advice?

[Chris56]

Hi all, i currently drive a 2005 Mazda6 diesel and I can't fault it: its done 88,000 miles, sips fuel and never misses a beat (touch wood).

Im looking to change it this year for a performance saloon, for less than £5k and less than 60K on the clock. I would prefer a pre-2006 model as theese are cheaper and don't carry £400 + per year in road tax. My shortlist is as follows:

Subaru Legacy 3.0R (4wd might be just out of my price range though)
Ford Mondeo ST220
BMW 330i (not my favourite, but they are rear wheel drive)
Saab 95 HOT Aero - probably the cheapest and quickest, but 250Bhp through the front wheels!!

Do any of you folks drive any of these cars? which would be your choice? are there any areas to stay clear of? are there any cars that should be on the list but aren't?