Hi all new Lexus owner here. I've gone for an IS220d se-i. Low mileage at 58k miles, owned by Lexus for three years and was, it appears used as a press car.
The link below is the actual car that I've bought. Strangely enough I was looking at the Exeo and Lexus and obviously preferred the Lexus.
http://www.autoexpress.co.uk/car-reviews/14145/seat-exeo-vs-lexus