I  love Ikea.  I am SO glad that we have one here.  It's fun just to walk around and get ideas.  The best thing about Ikea for me, is all the possibilities.  There's a fun site with great ideas using Ikea stuff called IkeaHacker.  Here's one of the great ideas from someone named Sara as seen on Flickr.  This is a bonde bookshelf from Ikea repurposed as a doll house.  You could do it this way or turn it on it's side for smaller friends.