Michelin Pilot Sports, (not the PS2) 
  
but again depends on what is important for you  
lateral grip, straight line feel, road noise etc...  
the MPS are good for a significant increase in wet cornering performance, but they are not the quietest on motorway... or the most durable, from what i have heard... 
  
but , http://www.tyretest.com/pkw_sommerreifen/index.html 
and many people here will say toyos are best...