Paul,
here's the link. It's from last November so it's not that up-to-date, but it's the only site I found with a price. I just did a search on "80GB notebook" through Google and it came right up.
Everyone else, give
www.pricewatch.com a try for the 60's. They are going for $176 shipped, not bad.
Remember that IBM doesn't make notebook harddrives anymore. They sold the business and its technology. I wouldn't worry about quality (IBM Travelstars were regarded as being the best) because I think it's the same drive. Any IBM's you find have probably been sitting around for a while, which isn't really a bad thing I guess since 60GB drives are pretty new.