KYB's are an OEM replacement for non-SVT. Probably OK, but not what you want, even without your planned spring upgrade.
Pics of different drops: Search those spring names in the Pics and Vids.
Best cornering? Depends on the road/track surface, but I think, in terms of lowest to highest aggressiveness, you're looking at Eibach, H&R, and then Intrax, although you're splitting hairs to a degree until you commit to coilovers.
What is your desired end state? Intended use?
