I did speak to all 3 of them pre-MR620, but like I said, what they could advise/tell/quote me was limited because we didnt have any requirements to work from, just guesses. They were helpful nonetheless, especially Rory and Doug. I spent a long time on the phone to both of them, with Doug it was late on a Friday just chatting cars in general until nearly 6pm! They had some good pointers which did make it onto the final MR620 but ended up not needing to be signed off.