Thanks for the suggestions. Alas, the scanners-usb link was last updated in 2003.
I did hit the jackpot, however. I posted in another Linux forum where I'm an active participant and someone who is serious about scanning said he has an Epson Perfection V500 and it works splendidly under Linux. He also uses VueScan software, likes it very much, and the Epson V500 is supported quite well. So I ordered one today and it should arrive by the end of the week.
I agree that scanners in all-in-ones are adequate for many needs. However, their specs do not match those of a more expensive standalone scanner, which is what I need. For example, the true optical resolution of the Epson V500 is 6400 dpi. It comes with a transparency adapter for slides and negatives. I need high resolution because many of the photos I'm scanning are very small and I'll be able to enlarge them to a size that's easily viewed.
I no longer print photos. I prepare them for viewing on a TV screen or computer screen.