Turn a billy bookcase into built-ins and will have an upper class look.
Perfect for a small room because they are so narrow. :) BILLY bookcases with GRYTNÄS glass doors | IKEA Hackers
turning IKEA's Billy into built-ins - don't use the back board, paint the wall beforehand!
Billy Bookcase Hack with Library Ladder - The Lilypad Cottage
Custom DIY built-ins using IKEA Billy Bookcases, an affordable way to get the expensive built-in look for a fraction of the price.