...but I generally fall under the category of "alot."
You can accomplish quite a bit of artistry just by playing with the camera calibration settings and white balance. I don't use Photoshop these days, but I find that I can be plenty creative with Lightroom.
For instance, I went from this photo:
to this with Lightroom:
I've done a few tutorials on what I do and am always willing to take suggestions for future tutorials on my blog, ascenicworld.com