> I can't really see there's much demand for Java 1.3, or Dreamweaver 4. Designate one bookshelf as your "memory shelf". Keep the books on the languages you learned the most from or that remind you of your best (or most horrible) projects, and place them on that shelf. Display it prominently, and it will be become a conversation starter for every nerd that comes to your home. "OMG, I haven't thought about Dreamweaver…
Whenever I visit peoples homes, I look at their bookshelves. I pick one book that may indicate something in common, and I make a comment or ask a question. It rarely fails to start a great conversation. And when you're fixing their computer and waiting half an hour for a malware scan to finish, and the customer insists on sitting there watching, such conversations are life savers. Plus, you learn a ton.