This morning, as clocks around the world ticked over to November 15 2013, Sony kicked off the eighth generation of console gaming by releasing the PlayStation 4. If you pre-ordered a PS4, the mailman hopefully delivered it this morning. If you managed to reserve a PS4 at GameStop or Best Buy, you can casually pick your console up at any point today. If you haven't pre-ordered or reserved a PS4, though, you can still buy a PS4 today, on launch day. Read on to find out how.