Yes, I would agree Thierry, I thought that when the 'piano black' finish started looking bad, it would be an easy job to cover that section in black leather - it could look quite unique?
With regard to an ARP4 dash, I know that Berrybrook had to change a RHD car to LHD a year or two back so there may be a spare one there waiting to be sold/given away etc. Worth a call to Bradley, the workshop manager. In fact when you take delivery of the car, take it down to them (near Exeter) and they may do the swap for you?