I can't disagree with any of your points. I like the awning as I spend quite a bit of time in Joshua Tree and other desert environs where the sun beats like Bonham. Good reprieve from the rays, and with a second person goes up fast.
Oh, I'm an awning guy too, only I just got mine on like a month ago so I haven't gotten any real opportunity to use it yet. I've just been doing a
lot of thinking lately about which approach to camping makes sense for me. I had given the awning plus room some consideration and came to the conclusion I mentioned.
RTT:
- heavy weight up high
- Pain to install/remove and store off vehicle
- prevents carrying kayaks (which in addition to the above presents a big issue for me)
- not good for a basecamping outing, have to breakdown to drive
- MPG impact
+ comfy!
+ quick setup
+ stores bedding outside of cabin
Ground Tent:
- needs flat space
- can be slow to setup
- bedding has to be packed and stowed separately (could try to just bundle it all up but it'd be a bulky awkward operation.)
- PITA for multiday "expedition" travel
- consumes cabin space
+ lighter load
+ keeps vehicle free for driving, basecamping style
At least traditionally I've landed in the basecamping style of car camping, backpacking is another animal. Given that, I think sticking with a ground tent, possibly getting a faster tent like an Oz Tent, or working out in-truck sleeping like you've done, is the best option for me. A trailer might be something in my future as unlike the awning room I think the trailer is the best union of the pros of either option, albeit with a higher cost and greater storage requirements, as well as presenting trail problems. For now there are other things I want to spend my money on and have no trailer plans for the foreseeable future.