I have 3 20-gallon Concord pots, two of them have 5500w electric elements. 2 Chugger pumps. A homemade counterflow heater/chiller in place of a traditional HERMS coil and separate chiller. Hot and cold water plumbed to the brew area. Built a control panel very similar to the famous electric brewery website lays out. I like the setup, but I would make a couple of changes.
I would skip the false bottom in my MLT and go straight for the brew bag (there are a couple of good ones for sale, but I made my own from polyester curtain panels for 3 bucks and an hour of sewing). Cleaning 30lbs of grain is a million times easier when you can pull it all out at once and carry it to the compost bin, plus I get an efficiency bump by squeezing the bag a bit (or just draining it).
I'd also make sure I had a sink nearby. I haven't done this yet and it sucks having nowhere to drain liquid without buckets or carrying the whole pot somewhere.
Lastly, I'd either put the HERMS coil in the HLT like most people do, or use a large cooler (again, with a bag). It's just a bit more efficient and faster to maintain temps compared to what I did, I think.
It sounds complex, but my system is about as easy as I can imagine for 10-12 gallon batches. I ferment in a Sanke and drain directly into it in the fermentation chamber. I don't lift liquid at any point. Building is just as fun as brewing for me (to a point) so I'd be happy to talk about other ideas.
That said, I'm really loving my 1-gallon brewing right now. Quick and easy!