Questions targeted at P770ZM/P750ZM vs MSI GT72

I have a few specific questions about a new laptop for gaming and general purpose use with my primary options being those listed in the subject, P770ZM/P750ZM and the MSI GT72. The standard questionnaire is filled out below.

Thank you for your thoughts on this.

Specific questions:
- Given the uses noted below, will I see a benefit from the desktop CPUs available in the P770ZM/P750ZM?
Notes on this:
-> Longevity for desktop use, post gaming use, is a compelling reason if it...

Questions targeted at P770ZM/P750ZM vs MSI GT72