Appreciate everything you're doing to keep us updated. In March I emailed them about R1T option and weight on rack allowed when opening (I believe this is zero) and never heard back, so I was shocked to stumble across this thread just today.
Curious why you don't like barn doors though -...
I'm on my second and it's an Ikamper Xcover (1.0) which I love. It's lightweight for an RTT, built well, easy and quick to use, and the skylights are honestly sweet not to mention when rainfly is removed. I store dirty camp chairs and other stuff on top, including our inflatable kayak...