Cool. I have the copper one, and I had to piecemeal it together to make it cool like the new ones. Mine came with the old clip, old tailcap, and old driver that didn't work well on 1.5v cells, it would flicker pretty bad especially on nimh.
I bought the new tail and clip, and emailed Rey about the finicky driver and he sent me a new pill containing the updated driver, new style MCPCB with a 519A, and the new reflector. He even sent the tweezers to unscrew the pill. Dude is legendary.
I ended up swapping the 219B from the old MCPCB onto the new one though, since I really liked the SW45K.