I could use a few pointers on how to create a good looking imperial woman. Preafbly with sliders. I am not a fan of mods so prefably without those.
Patience mostly, and fine control over the sliders themselves. I use the arrow keys to make smaller, more incremental changes. The mouse doesn't offer very good control when it comes to making tiny tweaks.
A good picture in your head of what you want the character to look like definitely helps, too. With my character, I had a very clear image of what I wanted to her look like before I started--right down to how high her cheekbones were and the shape of her nose. (Yes, I am kind of OCD.

I'm also a writer, and the character in question was meant to be a relative of my Morrowind/Oblivion character, so I had a good template to work from.)
It took a retexture to make her look a bit younger and tidy up some of the dirt, and then later on I finally tracked down a hair mod to get the reality tweaked to really match that mental image I had of the character, but even right off the bat I think I did all right. (For reference, http://cloud.steampowered.com/ugc/505764575224791898/5EC63BC7D239D713AE502951DEFB1D9C8753E7CB/ with just the skin retexture. And then later, when I http://cloud.steampowered.com/ugc/505766656299100703/6BE6F7735A60409072C8184D55A28DCF4BD7B730/)
You may really want to look into even a simple skin retexture if you'd prefer a character without wrinkles, dirt, etc., since most of the sliders won't eliminate those completely. Otherwise, you'll have to work the best with what you've got. That's really the only advice I can give, since everyone's image of "good looking" is different. Start with an image of what you want the character to look like and work off that.
And don't forget patience. I spent 45+ minutes tweaking and making minute adjustments to various sliders before I finally declared it done. I'm very, very happy with the results though, so all that time and patience does pay off.

The way the lighting is on the creation screen and without the inability turn the character around, Bethesda made it tough.
You can grab the character's face and turn it side to side with the mouse, for the record. At least that way you see what they'll look like from varying angles.