5 links
Donny Monk - PowerBooksPlus
members.aol.com
Individual's website includes prices on refurbished PowerBooks, batteries, service and support.
PBFixIt Guide Series
pbfixit.com
Do-it-yourself Powerbook laptop repair guides viewable online or as PDF documents. Many photographs to augment the instructions.
The PowerBook Source
pbsource.com
Apple PowerBook and Macintosh news, editorials, reviews, and memory pricing guides.