Many thanks to Victor_Shapr3D and mzone3d for your useful input.
I have discovered this:
Earlier S3D Discussion on this Subject
It also has proven very useful.
Pretty sure I will be going with iPad Pro 12.9" 2018, at present undecided as amount of Storage.
There seems to be little to choose when considering Cases, especially as I want to keep a Pencil 2 in the Charging Location?
Also it is a little like a lottery to choose a really solid Draughting Stand.
Any suggestions will be very helpful. Thanks for your time.
Best regards,
G