After seeing a bunch of all-in-ones at Homebrew Con Providence in 2019, I bought an Anvil Foundry (10g) as a trial to see how it would work moving from a traditional three-vessel propane-fired gravity-and-pump system that I had to use outdoors.
I wasn't brewing as often as I wanted to, largely because my system and process were cumbersome, and we get four seasons here in NJ, one of which I hate (summer, ours are hot and VERY humid), and one of which is not suitable for brewing outdoors (winter).
I couldn't have been happier with the Foundry. I made ZERO sacrifices in terms of beer quality (if anything, my beers got better because I was brewing a lot more often), every difference in my brewday was a positive one... and my total time went from 7+ hours to around 4.5 all-in.
As part of this switchover, I went to a no-sparge method and couldn't be happier there as well. I'm still getting ~70% efficiency on most recipes, which I am perfectly fine with. (I've never been one to chase efficiency points, there are far more important things for me to focus on!)
Obviously I had to recalculate my recipes for the new system, but Beer Tools Pro / Brewfather made easy work of that.
I now use a Blichmann BrewEasy Compact (an AIO system that doesn't seem to get anywhere near the attention I'd think it would, given the manufacturer), running at 120V.
My boils are gentle, but more than enough to get the job done, the system is rock-solid (I will admit it is a little bit laborious to clean, with all the things sticking off the sides, but bear in mind I do not have a slop sink, I'm using my kitchen sink for cleaning), the controller is great, the Riptide is easily the best pump I've ever owned (I now have four: the Riptide, the little one that came with the Anvil, a Chugger, and my old March 809).
The system is an absolute champ, and I highly recommend it.
And I am a HUGE advocate of all-in-ones in general; they remove or reduce pretty much all of the "barriers to entry" for all-grain brewing, even for new homebrewers. And switching from propane to electric was one of the most significant things I've ever done, and I'm never looking back. Being able to fill the kettle and set the timer the night before is a HUGE time-saver on brewday, and being able to brew indoors through all weather conditions cannot be praised and recommended highly enough.