Interresting, the entire point of Moores Law, was that "if you need performance, wait".
Considering you told us that your computer can handle anything you can throw at it, then why can't it handle some old ship?
What mod are you testing?
It isn't CGSovereign 1.0 + Really Ultra High Textures, is it?
As for order, v1.1 Patch, Foundation, and then things get a bit messy, since order doesn't matter that much.
I'd say (if you don't opt for KM1.0), NanoFXv2 Beta, Unified Main Menu, BP Core, Foundation Technologies (read the comments, specificly look for one of mine), and then whatever ship you want to use.