So everyone gets the same tire selection from the same manufacturer, but the manufacturer says the compound and construction should give more durability at a cost of corner speed helping the series meet its safety concerns for lowering corner speeds and over all speed in general...
Sounds like those best able to make the most out of a hard tire (Rossi) or those able to slip N slide (Hayden, Stoner, possibly Vermuelen and Capirossi) are going to rule