After the last 20 years of company car ownership -all Audi's (bar 2 years with a 320d coupe which was a great car until it snowed!) - I am now looking to buy my own car and am pretty much decided on the X5 3.0d facelift, 04 to 05 model due to my £7k max budget.
High mileage doesn't put me off as long as it's FBMWSH as I assume that most of the higher mileage ones will have most of the teething issues sorted - bushes, CV's, electrics etc?
I have to say what an excellent forum this is and the buying guide will be invaluable when deciding what to look out for - 'll keep you posted on how I get on

Tim