Xiom Sigma I Europe

I haven't tried a lot of rubbers but I didn't see much difference comparing with popular tensor rubbers like Bluefire, Tenergy and Evolution. It is really durable rubber, bouncy, spinny.
EDIT: The durability of the rubber is very very good. It can take a lot of bangs in the table and survive easily and edges are in perfect shape.
In the short play it not easy to keep the ball low some times. When the opponent uses a short serve with weak backspin on your fh side it is hard to return low and short with back-spin. It will either be short with no spin or long with backspin. Of course if your technique is better than mine you could do it, but I still think it's quite hard with this rubber.