Hey Merlin,
Here are a couple of ideas for space saving for bookshelves.
http://weburbanist.com/2008/04/28/20...ban-furniture/ (The first example in this link is quite ingenious.)
http://dornob.com/beautiful-overhead...helving-ideas/
Here's another idea, buy a caravan and put it in you back yard for the misses and kids.
Don't laugh, I actually knew someone that did just that, with his house filled up with his train sets, literally!
