Thanks for the replies, Peter and Jack.
My bad, Jack. When I said "grainy", I was not talking about the noise you see once you hike up the gain. I did mean a form of "stuttery", as Jack mentions...basically the way you can tell the difference between film and video...like when you can tell the difference between the image quality between, say, "The Cosby Show" and "Cheers".
Peter: In 30p, 1/60 and 1/30 were basically the same (except for how much light was coming in, so I'd compensate by changing the f-stop). Below 1/30 was VERY stuttery, as I would expect it to be.
I guess my new question is if I shoot in Canon's "60i" does it still record in 29.97fps? Doesn't 60i have to do with HD? I'm shooting SD. Does it matter?
Thanks for your help.
Jonathan