Just remember - vibrancy ≠ oversaturation. You can have a vibrant image without everyone's skin looking like they've been lying on a beach for a week with no sunblock.

One of these days (possibly with DJ's V3, actually) I'm seriously considering loading each film into Avid or FCP's Color and color correcting them shot by shot, maybe even doing some scratch & dirt cleanup while I'm at it. While the initial results of this thread are less than perfect, they will improve, I'm sure of it, and having a thread such as this - purely devoted to the color of the films - will be an invaluable resource for anyone doing color work on the OT. Myself included!