hey, i like your sol alot better than that 240 you are looking at. i thought you were looking at one of those long body 240's. i dont know what years they are but they look like silvia s15's. the one u are looking at looks to me like a saturn
as far as camber kits...it really depends on how many degrees you need to correct it. only a few brands make kits that will correct more than +/- 2 degrees. as far as quality, its just a camber kit, not an active part of the suspension, so any brand should do.