Thanks Tereith,
I will find this useful.
Cheers
I may be old, but at least my memory still ....hmmm
DT:Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz (8 CPUs), ~3.6GHz, Windows 8.1 64-bit, 16 GB Ram, NVIDIA GeForce GTX 750 Ti, Display Memory: 4018 MB. Resolution 1360x768, Passmark 3528, AutoCAD, 3DsMax, Paint.Net, Solidworks.