So there\'s no shortage of information out there on rounded corners and I\'ve been through much of it and I\'m posting to get the opinions of the communities on this point.
Use the one that works and gets the project done on time. Beyond that you're not likely to get much useful feedback on this as they all suck from one standpoint or another depending on how you view images, javascript, semantics, adding extra tags to "make it work", etc.