Mine just arrived and I am in the process of moving stuff from my Cadet over to the FB. Someone, somewhere had asked about putting it in the middle section of the Tri Star so I thought I would post these pics.
I would qualify it as "not perfect, but doable"
I have a pair of pants in the tie downs, a shirt folder and small packing cube with socks and undies in one side and a pair of shoes and some workout clothes in the other side so the TS is packed pretty lightly.
The Founders Briefcase has a MBP13, iPad mini and various chargers and cables inside.
I will post a full review soon.