My favorite restaurant supply store is about a 25 minute drive, but I have reason to go in that direction fairly often. I've looked (for grins) at commercial stoves at a Costco Business Center. On the price cards with the feature list they all, along with refrigerators and freezers, state the the warranty is void if used in a home.
I lust after a Blue Star range, but that will most likely be all I ever do. Since we hope to move out of California in another couple of years, I wouldn't want to leave one here in this typical 35+ y/o track home.