Newer models ('07 -'09) should have dual electric beds in the back with the bottom bunk ending up about waist high. Not as much climbing as the earlier models (2006 and older).
However, all of this talk about an FB2600 disregards his want to have a Front Sleeper model so that he can use the bed without interference from the toy(s).
If you do end up deciding on a Front BATHROOM trailer, Attitude makes an AK25 that is the same as an FB2600 (cargo area) and NOT a LEAKend Warrior. Aluminum frame, not the shitty wood that Mark used in the WW's and a more modern trailer overall.
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View attachment 170975