My M2 MacBook Air is a wonderful device, but II would do crimes for a 9” device adequately specced with low power hardware.
I’m thinking a Sony Vaio C1 series. A little bit of chunk to accommodate a very large battery and ruggedness, passively cooled.
I used the C1 as my primary computer on the road and it was the absolute best designed device I’ve ever owned. I had the most powerful version released in the west.
It had a very hard life, but never faltered.
Just look at that aspect ratio 🤤