Ok, thanks guys, there's a lot I have to consider. I'm kind of liking the Ektachrome E100VS right now. One thing I'm worried about with that film is the grain. If you look at this picture http://www.flickr.com/photos/rosemania/4299837724/ you can see a lot of grain in the blue sky. Is that the actual film, or is it because it was scanned?
No way is that the grain from E100VS. I have had Elite Chrome (the 35mm "consumer" version) blown up to 20x24 on Cibachrome, and while the grain is there, it's imperceptible from normal viewing distance (3-4 ft away).
"Panic not my child, the Great Yellow Father has your hand"--Larry Dressler