While one could argue that Sony Ericsson should really be focusing its efforts on getting a Rachael / Android-based handset out on the double, it's evidently content with digging up a year-old phone, slapping an "a" on the end of it and passing it along to AT&T. The 8.1 megapixel C905 that we were so jazzed about in June of 2008 has indeed been certified for AT&am