For resi: I would say blind or SOSS hinged, and pop latched with a corner bead to blend it right into any wall. I am totally sick of discussing where it can and can not go with people who outa know better by now.
For Comm: Hinged on hinged, but with a set of screws you could transfer to also include the breaker dead front as well. Just move them over one by one for what exposure you want. Dead front on - dead front off. With it on you cant work on anything but the Gnd and Gnded bars, you need to get past the dead front to access the breakers....
Enough of covers.... Get rid of K/O's on panels I am sick and tired of them! For all the extra time I have wasted trying to gently remove one without taking out the rest, I could make my own in less time... Or just plain not being where I need them. Another waste of time. If you're installing a panel, and don't own a KO set - you have no buisiness doing it in the first place IMO. I know there are some available without them, but are fewer and farther between on availabily these days - and non-existant in many brands.
Another would be the logical placement of grounds and neutrals. One of each on each side for AF's and GF's.
