We know that Palm's hard at work implementing desperately needed payment infrastructure for its App Catalog, and we might now be getting some of the first glances of what it -- and the non-beta App Catalog as a whole -- will look like. Major new features include the aforementioned support for credit card payments, some sort of tag cloud that appears to show up when searching, and integrated app management, while many other screens have been gently tweaked from the early release Pre owners are using today. Last we'd heard, Palm had been targeting mid-September for e-commerce to make its grand debut, which is like..