Stay away from the particle board construction ones. I had one and it developed a fracture down one of the sides from me smashing. I have an IKEA frame now but it's one of those solid wood construction ones....haven't had any problems with it.
http://www.ikea.com/us/en/catalog/products/20190056/
http://www.ikea.com/us/en/catalog/products/20190056/