Received my Speck PixelSkin HD (Black) from the iPhone 4 Case Program 2 days ago. It was shipped on the 7th September 2010 and I received it on the 14th September 2010.
The PixelSkin HD is made up of Thermoplastic polyurethanes (TPU) which makes it much harder than those cheap silicon cases. I like the finish of the case, it is in matt black and according to Wikipedia, it is resistance to oil, grease and abrasion and hence it is somewhat resistance to fingerprints!
