OK...."secondary" machine has an Asus Maximus Formula motherboard, 4 x 2GB Mushkin DDR2-1000 RAM, ATI HD4850 video card, but a lowly E7200 cpu that is hard pressed to break 3.4GHz at 1.2V.
So, am looking at upgrading the cpu only.....well, maybe the video card, too, but that's irrelevant...