Stargate Atlantis #404 - DOPPELGANGER

First, Evil Sheppard icon snerched from switch842  :)

Did up a rambling review of DOPPELGANGER (SGA #404), plus collected a bunch of links to other fan reviews and many, many screencaps (so, I didn't do any as so many others did a fantastic job of capping this episode).

( SPOILER REVIEW below )