Ha ha...after many years of CRJ200's, we finally got CRJ9's out of PHF. Seems HUGE to me
It's a very nice ride and yes, there is a teeny overhead on the one side and a small one on the other, but a not-oversized roll-aboard can fit in (barely) sideways. However they always valet check (pink tag) rollaboards unless you "sneak" it on. A backpack would fit nicely.
I am the opposite of you...I am nervous in a plane with hundreds of people. 80 seems about right