I’m doing exactly the same thing, except with the 11” pro and replacing my 15” MBP. I’ll then keep my older 10.5” iPad Pro for lounge use (no keyboard), and hope to swap that if a new mini comes out.Personally, I am looking to sell my 3rd Gen 12.9” iPad Pro with the Magic Keyboard and the Apple Pencil so that I can get one of the new M1 MBP 13” units.
I think Big Sur has made things that much more awesome for users, and some of the real estate programs that I am subscribed to don’t work very well on a mobile operating platform.
I’ve longed foe the day I can use the IPP for my only device, and have tried multiple times over the years. The magic keyboard has helped bridge the gap but everything I do is a workaround. In most cases I end up taking my 15 MBP with me just in case I need it. So taking that and my IPP with case and pencil, seems crazy.
I’m looking forward to having many benefits, like long battery life and silent computing with the MBA and lighten my travel load. The iPad mini will be the perfect companion for this use too.
I still have hope I can eventually go iPad-only one day. Perhaps in 18 months that might be possible as MacOS and iPadOS continue to merge.