I am worried the clients will see a degradation in performance on there PC <-- I have stated this at least 3 times in post before this with no direct answer to it, but instead have had this labelled as nonsense.
It is nonsense. Version 5 has a lot of performance improvements over version 4.8. This was noticed even in beta tests.
Please, post the links to these threads. (Of course, will be always a problem here and there...).
Are you saying that the pro version users the same amount of memory as the home version??
Yes.
I thought the Pro version has a bigger bite on local resources.
Be reasonable: why would anyone pay for a worse thing?