I still haven't, but I finally got my first taste thanks to Grady.
I am not sure about the rest of you, but I was curious to see how Donruss would look "chromed" and after seeing it up close, I can say it looks impressive.
All of these cards are refractor parallels. That's what I am calling them at least. Not sure what the technical term from Panini may be.
Here are a couple of base ones along with pink. None are numbered but the cards look great.
More base shiny goodness. A McCann for the Yankees PC.
More pinks and a few more base ones.