Standard shoulder stock for me. Wood or synthetic, I don't really care, but I do know this: I can fire a standard pump -- accurately -- a heckuva lot faster than I can with a PGO. The speed of the first shot is somewhat faster than with a PGO, but the second is a lot faster, especially with full-power buckshot.
Personally, I'd listen hard to guys like Dave McCracken and sm. They've forgotten more about this stuff than I'll ever know. I do have one bone to pick with them, though: since I started reading this forum, my one 12ga pump has become four shotguns! And I'm shooting a lot more! And having fun! Geez!
Regards,
Dirty Bob