But then the computer wouldn't reboot. 
I powered down, disconnected the new USB hub, and turned it on - it booted without a hitch. I suspect the USB hub - but it was the only powered hub with enough ports I could find locally.
I called my computer guy - he's putting together a quote for a new system. The big hitch is the video card. I really want to be able to use two monitors. We have an extra 19" flat screen sitting around and it'd be nice to push my tools over onto that and have the 21" wide screen for the images to be edited. The video cards recommended for "Best" PhotoShop CS6 systems cost around $1500-1800!!!!! ( NVIDIA Quadro 4000) They do handle two monitors, so I'd only have to buy one - but that is THREE times as much as the original quote for the system!
I'm waiting for a call back from the builder so we can discuss reasonably priced alternative video cards. IMO a video card should not cost more than the entire system. I'm not doing high end PhotoShop work, so even though those cards speed up processing I can't justify the expense.
On another forum an Asus GT620 video card was recommended - I found Asus GT640 dual monitor cards on NewEgg.com for $100-112 - that sounds much more my comfort level!
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