I just use realistic lighting. I tried a bunch of different ENBs on top of the realistic lighting and I just couldn't get into it. Plain old realistic lighting with nothing else looked the best to me personally.
Actually, this kind of stuff is more a preference thing than anything. I didn't like the ENBs as much as just realistic lighting but, I'm sure there are plenty of people that would disagree.
Just download a few, try them out and see what you like the best.
Asus G73 laptop? A thousand bucks. My wife's reaction to a nude mod? Priceless. //NVBM//