Ordinarily, looking at FCC filings are about as fun as discussing the history of blotting paper, but we have a rare exception in the Sony Ericsson XPERIA X10. While the standard fare external pictures offer nothing we haven’t already seen, the filing contains a wealth of teardown photos that are sure to please both phone junkies and anyone fascinated with design. But it gets better. Not only do we have a slew of test reports (exciting!), but the entire 40-page user manual which not only gives a great overview of the device itself, but Sony Ericsson’s custom Android overlay, Nexus. Of course we’ve already broken down Nexus for you when we went hands on, but let’s just keep that our little secret, okay?