if you use rendering 1.3.1 and you will use 'silk' or 'default' shines you will need very high antialiasing number not to have that white spots there.

Damned, Same thing ! [:((]

So I tryed another way : the floor is matte and not glossy.
After 5 hours of calculation (1024 x 768 in Q4 with R1.3.1, here Gallery phase IV.



The end is near... [:)]