i have the color +1, sharpness -2

this could be an interesting thread. I remember somebody - Tom Hardwick? - once posted a list of tips that included something like this. I've never experimented with custom presets, but I think I'll start.

the wb-shift can come in really handy at times, when the menual/auto white ballance is too hot/cold you can just scrool up/down and you get what you want .

Here are some tests I did awhile ago showing the effect of different sharpness settings:

http://www.greenmist.com/dv/vxsharp/