Some hotels do something similar -- chains sell the mattresses that they use in their hotels to consumers.[1]
http://www.westin-hotelsathome.com/bed.aspx
I was a little disappointed when I stayed in a Westin a few years ago, the bed was nice, but didn't live up to the high expectations.
I prefer the Westin bed to the W bed; I've probably spent >100 nights in each.