How is the ride? A "good" ride is very important to me. Right now its a bit rough with the stockers on because of the low-prof tires. Makes me jealous of these toyotas and hondas thats ride so smooth (my friend's camry feels like a cadillac ride compared to mine).
I've read mixed things on 2gnt, but mostly about the pro-kit. So the sportlines will probably be my choice, the lower I can get away with the better, but yeah, the ride and risk are important to me as well.