Yeah, I'd definitely recommend overexposing at most 1 stop when shooting, then pulling the film back to normal during processing. You'll notice much more color saturation, deeper blacks and better contrast if your key-to-fill ratio when shooting was on the high side.
Also, go for the slowest film stock you can find. The faster the film, the grainier the image. The Kodak Vision2 100T is nice, or you can go for the 50D with an 80A filter.
Good luck!
Jon Bowerbank