Have used all sorts of pads and supply all but Carbotech.
EBC Bluestuff NDX sit on our car as they are the best all round pads that we've ever tried.
PF Z compound are also pretty good and a fair bit cheaper (£99 vs £154), but don't have the wide temp range of the NDX. PF pads also have a habit of eating discs if not used hard enough on a regular basis.
For normal to fast road use
our kevlar compound pads are a very popular option at just £59.99 delivered.
Bluestuff NDX get my vote, but can supply either. Some great deals on disc + pad packages also
Tel: 01462 600 241