You mention price isn't an issue but what budget you got in mind,
Circa £3-400+ refresh all shocks with new genuine Renault, maybe the 172 Cup versions and a decent set of lowering springs from Eibach or Cooksport, refresh anything that looks tired while you're at it and a decent alignment after
Circa £600+ into coilover money from the likes of Bilstein, their B14 kits
Don't buy any cheap coilovers, lots of people on here have and regretted it.
Have a quick search few threads will come up with pictures and feedback of what people are using