I don't have the focus fx20, but like the layout. I have owned 2 other TT's and the reason I purchased the 22 FDS was that it had a ton of storage and it had a great layout for the rainy days when we were stuck inside. When we go camping we have myself, my wife, my two boys (ages 5 & 6), and our pug. Sometimes my mother in law comes along and there is enough room for us not to be crammed in the unit. Hope this helps.