BofA is full of it when it comes to the switching. It's entirely possible to switch "types." I switched from the US Airways Visa Sig to the Worldpoints Visa Sig. They issued me a new account number, and it was without hassle. They do, however, have awful policies. Citi kept my card account number the same and even gave me promo APR rates when I switched cards. Why is it so hard for BofA to just be nice? Oh well. I plan to dump them when my balance is paid off.