If I had an RV, I'd likely go with the 7100, but D-Star is dead around here and is a function w/o an audience. The 7300 is either love or disgust, with some touch screens going blank. I know 6 owners and 2 have lost their touch screens.
The FT-991A seems like a shack in the box and I discounted purchasing it on that reason and I regret that decision now. I went with the FTDX10 and while it is a good radio, bordering on great, I moved to a new HOA community that my spouse picked out - antenna options are severely limited and HF work suffers. There is VHF and some UHF activity, but I don't want to buy another FTM-400XDR for office use [I own three already in my vehicles].
The Icom VHF/UHF base rig is nice, but it takes up more room. has a dead band of 1.2 GHz [in my AO], and isn't inexpensive. I should just bite the bullet and sell my FTDX10 for a FT-991A.