Those picks have been out for around a year now. Personally I don't like them, much prefer Jazz IIIs.
Plus big picks are more fun to throw to the crowd!
What I like most about the Petrucci is that they are a great middle ground between a jazz III for precision and fast picking and something which can be used still for strumming, as I found the Jazz III's weren't as versatile as I need them to be as they are so small.