Install your chosen combo of springs/shocks or coilovers, let them settle for about 1-2 weeks and go get an alignment. Looking at your alignment results in the printout the shop will give you decide if you need a camber kit or not.
i have a set of type 1's on my CG6...no probs. i just straightened the toe setting out and the tires seem to be wearing fine. it's pretty low too...i think i have a few pics of my CG6 on the 1's...check it out
Even at their highest, Function Forms are still a substantial drop though. Fork out the extra and get some Teins if you only want a moderate drop with good OEM-ish ride quality.