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ok i just read the suspension 101 again and saw that larger diameter bars and low spring rates are good and high spring rates are bad, so what springs have low rates and are high quality, i know a lot of you use goldline but i dunno if thats quality wise, drop wise, or what, but im jus curious which springs have low rates and how much of a drop are they, thanx!

 
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where does it say that high spring rates are bad? the higher the spring rate the less roll the car will experience. Low spring rates won't do well in making your car turn any faster. Even if you were to get goldines with some konis, it wouldn't be anywhere near the level of springs with higher rates like JIC's.

are you going by this?
low spring rate + large diameter bars = good
low spring rate + small diameter bars = bad
high spring rate + large diameter bars = bad
high spring rate + small diameter bars = good

 
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Most aftermarket springs are quite soft in comparison with say, sleeved coilovers.

B&G's full coilover setup from the top of my head has soft spring rates. They can also go pretty low. (Or lower than say, Tein SS)
Correct me if I'm wrong, but Goldline probably does have the stiffest set of springs, right?

If your spring rates in the rear are stiff enough, you might not even need to dish out money for a rear anti sway bar. But since I assume this is a comfort issue regarding soft springs, you just need to compare the spring rates from one system to another. I can't remember if they are posted where you were looking at.

Also keep in mind, everyone is gonna have a different view on what they consider soft and what's stiff. I'd suggest looking into a full coilover system and if you want to go that route, I'd suggest B&G.

 
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yeah i was goin by that chart, i dont know much at all about springs and shocks, i already have front and rear tie bars, underbody brace, and im goin to be gettin sways and i saw that and thought i should get lower spring rate springs cause of that chart

 
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Depends entirly on what you want out of the car.

For Racing, the springs main job is to keep the Tire on the ground when you go over bumps and ruts (A tire in the air can make no traction). So how hard or soft of a spring you can run is determined by how smooth of a surface you drive on. The rougher the serface the softer the spring needed.

With that in mind the role of the anit-roll bars is primairly to adjust the Roll couple distribution.

So, I would get a spring and shock combo that you feel comfortable with in ride quality. Nothing too stiff but not too soft (you dont want the car to bottom out during hard cornering or by hitting bumps, you can seriously damage both the shocks and chassis). and then tune the handling balance with the antiroll bars (Perferably Adjustible bars).