We've seen some great examples of folks using IKEA's ubiquitous Trofast storage system as stairs (see here and here). And now here's another we spotted over at Ikea Hacker.
This child's loft bed is a custom piece. Check out Ikea Hacker's post for a description of how the owners built this. We love the idea of using Trofast as both storage and steps. Anybody do something similar?
Image: IKEA Hacker
Dirty Little Secrets of Tidy Families
Hillary & Michael's Refined Roost
Good Food to Share 
The Big Book of Small, Cool Spaces 
Apartment Therapy Presents 
The Eight-Step Home Cure 
Sprout Side Table
Kitchen Before & After: A Cookbook Author Transforms His 1950s Kitchen
Recipe: Ham, Cheddar & Chive Egg Bakes
I love the idea of this but those edges are really sharp.
I've been using them in my daughters room as steps for quite sometime. If anyone was going to hurt themselves on the edges it would be my daughter and she hasn't in the 5 years of owning them.
looks dangerous....baby might sleep but mom might not be able to