There comes a time when you must clear out the old and make way for the new, and that's exactly what Nikon has in store for its D300 and D700 shooters. According to Electronista, the Japanese camera giant added both of its aforementioned DSLRs to the "old products" section on its motherland site. Given how often we see products get refreshed, it shouldn't come as a huge surprise -- especially when we've seen the D700's expected s