Alright, I should have been more clear.
A) it's not that they won't be moving, it's award acceptance. I need to step in, fire off a couple shots and step out. What i meant by not staying still is, while they will pose it will be at a brisker pace than say, a model in a studio. I can't skip the shots and have a beer, they need shots of this for the charity organization.
B) I've taken plenty of lower light stuff, but not with this gear - and it hasn't mattered before now, this is my first gig doing anything for anyone, it's a volunteer thing because frankly, I know I can do better than the guy last year and they just don't have anyone in their animal loving kingdom that can do it - they'd be stuck with a PAS in the hands of someone with less knowledge
C) I can't use a bounce flash because the ceilings are 30 ft. It's in a banquet hall - while it will be lower light, it won't be jet black.
D) maybe I'll stick with the nifty and buy a flash.. I just need to practice with it a bit and make sure it's diffused enough not to blast people with harsh light. Addon lighting IS something new to me.... so to that end..
Flash recommendations?
Good thoughts everyone, thanks for the guidance.