|It's a good model and was second top of the range in it's day. Glad to see you are looking at the 'R' variant. It was updated to 'r'specification part way through it's life. One without the 'r' spec board would be worth less. In its day (Up to about 2006) it cost roughly £10k. It has now been replaced with the AT800, a more expensive proposition, but a much better one too. What's the price being asked?