ferodo ds2500s on front. OE or pattern pads on back, the back brakes do eff all on these cars.
back brakes look more tricky to change than fronts. I've not changed them myself though, I get it done at each service! if you get ferodos, you need to file a bit of it down, otherwise they squeal badly. Someone on here with more knowledge than me will tell you which part to file.
Edit: This assumes you're going to track the car. If it's just for road use, OE renault pads all round are the way to go.