I posted below about not seeing the custom templates anymore in the dropdown list. Now, older posts that had had the templates applied are "naked"! No formatting even from the regular post template!
What on earth?? Here is what one of the pages looks like now:
http://www.skilovers.com/windowcap.jpg
I decided to revert to the old theme for now, since we are heavily into development of our new site, and I can't have any features unavailable now.