Choosing a rear suspension

Thanks for all of input guys! Was kicking around the idea of 4 link or ladder bars but I figured if I was to go that far with the fabrication I might as well back half it and that’s not exactly in the budget at the moment...I don’t know how much the car weighs, or any details like that because it’s never been put together. Just looking for a good starting point. If the chassis bible says you can run SS springs to 9.50s I may start out there just to see how it performs on them being that they can be had for $225 near me. I am however going to invest in nice shocks all the way around as you guys suggest. If the SS springs don’t work out I can always go to caltracs or assassins and be one step ahead already having nice shocks all the way around.