I like apertures better, provided they aren't peep-and-post types. Peeps with a bead front are much easier for me. Either way, they are typically faster have the ability to offer much more precision.
"You need a shotgun, man, it's got a good spread.
It's easy to load, doesn't have a lot of working parts...ya ain't gotta be that accurate, the further away you are the more **** you hit."