Eh, I'm pretty unflappable, content-wise. As for my view of the firefly 'verse, I've mused on the whole 'independants are the good guys' thing many a time, so I can't say it's anything that's likely to upset me on that front.
Less lighthearted though? As in, we're talking more grim than your usual DMing? Oh, ho ho.
This I've got to see.
(Oh, and Lynyrd Skynyrd still records? Heh. Colour me pleasantly suprised.)