Thanks, loading the video now. I have gone back to CCK Fieldgroup Tabs but I'm stumped again with what I've already posted above,
When I add a name to the "CCK Fieldgroups Tabs" section of Content types > Product > Edit, I can get that name to appear as a tab, but I can only add one name here (so only 1 tab) and I still don't know how to add other fields to this tab.
Using Views through Quicktabs, the available filters seem limited. For instance I don't have a filter for product dimensions. If I use the CCK method, I wonder if I can get more info to display..............?