Dear All, I want to save my credit card and DL with my iPhone... found out incipio Stowaway has this feature... http://www.myincipio.com/iPhone-4-4...t-Card-Hard-Shell-Case-with-Silicone-Core.asp anyone has this case?? Any comment?? Do you think store your credit card, DL and iPhone together is a good idea?? Thanks for your help!!