Hey aqueous5,
How will you be using your car, how fast do you want to corner and how fat is your wallet?
I'll assume that this is a street driven car and that is why you want a relatively smooth ride. Keep in mind that a performance oriented suspension will stiffen your ride.
Ultimitely you should use Tokoco Illumina struts because they are 5 way adjustable. This means you can tune them according to the feel you want and the way you drive.
Pick up some progressive springs for the rear and leave the stock springs in the front.
Lower the car about an inch to improve your center of gravity.
This is the formula that I am using for my street driven car because like you, I still want to be able to drive the car with relative comfort. I didn't want to lower my current car more than an inch for a couple of reasons: 1) I didn't want to have to do too many modifications to my car like cutting and welding my panhard bar, 2) I don't like bottoming out or scraping bottom on speed bumps, and 3) I don't want to waste my money on parts designed for use on a race car only to use them on a street car. With this formula I can take a 90 degree turn on a two lane road at about 40 mph (if I want to) without breaking traction and still maintain a comfortable ride. If you need a little more cornering ability add some sway bars an adjust the front suspension for more camber, and if you need even more than that, get some larger springs for the front and add some adjustable springs to the rear then lower the car a little more.
Keep the rear a little stiffer than the front to avoid understeer.
Also, you will get a little more cornering ability with a low profile tire and a little more comfort with a tire that has a taller sidewall.
In the past I've gotten all excited and blown all sorts of money on race parts for a car that would never see the track. What I found out is that race parts don't work very well on the street. You'll end up with broken parts an a car that is uncomfortable to drive. My advise to anyone building a car is to build a car with parts designed for the way you are REALLY going to use the car, not the way that you drive your car in your dreams. You'll be much happier in the long run.
...but then again, who asked me?