I have tested TDK TTG02, TYG02, TYG01, Ritek R03, YUDEN000 T02, and Verbatim MCC 003 and the only one that was below my standards (PIF below 250 total and PIE below 75k total) was the MCC 003. When I burned it at 6X it was right up there with the rest. As far as the maximum levels and the shape of the curve they were all fine.
The best was the T02, a +R 8X TY. It had half the PIE.
One note, I would not recommend R03 anymore due to variation in quality. The last batch I had needed to be burned at 4X.