Billed as a custom-molded case and battery pack for the iPhone, FastMac's upcoming iV ($100) steps way beyond previously announced iPhone batteries -- and, in fact, most other iPhone accessories we've seen. The built-in power cell, selected by FastMac's experienced battery engineers and based upon the same charging technology found in the iPod touch, promises to triple the iPhone's battery life. Then there's the built-in iPhone camera flash (!), a…
