We got DS the Mammut bed from IKEA. He loves it - close to the ground, and although it is skinnier than the other single type beds, he ends up in our bed for half the night anyway!!!

We've decided that our 2 kids are going to share a room when we move again and we are going to buy bunk beds - with the double on the bottom so they can both share that (hopefully getting them out of OUR bed!!!)