Ball joints:how much should i be paying?

Tom, im keeping SBP. i know many here thinks its ridiculous, but i just dopnt want to swap to BBP. ill eventually get sbp disc brakes on the car. i like my wheels and dont plan on changin them. plus i dont have any money to to the swap and get wheels and tires. i hardly have enbough extra to get the PST set up! it sux bein 18, workin a dead-end ice cream shop job and payin for college outa pocket i tell ya!