I asked whether people would prefer a larger rank & suit than were used initially, and the overwhelming opinion was to increase the size.
On the site the poll results were the following:
I asked the same thing on Facebook and four people preferred the larger size, and only one preferred the smaller size.
You can take a look at the current version of some of the cards below. The card on the right hand side is the newer version. I also decided to center the titles more with the card type area this time around.