I have bought OZ Ultraleggeras, with Michelin PS4s.
Specs:
Wheels:
8X17 ULTRALEGGERA MATT BLK 5X108 PCD ET55
Tyres:
225/45ZR17 94Y PILOT SPORT 4 XL
No spacers required, fills the arches nicely, but you could put a 2mm or 5mm if you wanted to push them even further. Hope this helps :)