We are looking at ordering the M22 but are curious what the weight capacity is on the top bunk. We were also wondering if it was at all possible to lose the back closet and extend the bathroom to make room for a larger shower basin. I am a big boy and I just don't fit in the small basin. We love the large ceilings and roominess with the slide but the that shower basin is tiny. If not, I guess I sponge bath which might be kind of fun.:angel: