OK, I finished the car over the weekend and wanted to post for anyone interested and maybe future searchers.
Loosening the camshaft sprocket bolts was the trick. For some reason, when I put in the new timing components, nothing would line up unless I left some slack at the top between the two pullies. Of course it didn't like this and ran rough, and there was slack, so I loosened the camshaft sprocket bolts and allowed the sprockets to freewheel while I tensioned the belt.
Worked perfectly. Nice even tension and the engine runs smooth and crisp as ever. Thanks for all of your suggestions/help.