Hi
I bought mine Z direct from Japan, and got it two weeks ago. I bought a 4.5 grade, 15,000 miles version S, 2003. It cost 10,600 at auction and by the time I got it on the road it was £15.5k. I spent along time viewing the auction and prices. They do very a little, but my advice is that this car is either base model, but very likely to be a low grade car which may have been tarted up in this country. You get what you pay for so expect a not so perfect car.
PS Can you get a 03 UK car for 16k, I looked and they were over £20k....