This, in my opinion, is the disc where Stargate Atlantis comes into its own as a series with the excellent Underground/The Storm/The Eye triplet which use the advantages of this show's premise to finally do a story SG-1 couldnt do. Colm Meaney and Erin Chambers are good additions and hopefully this will not be their last appearence. Sheppard's personal story in the Storm/Eye two parter (and indeed in the rest of the disc) is excellent and helps to set him further apart from Jack O'Neill, who he is frequently compared to.
'The Defiant One' smacks of SG-1's 'Death Knell' and the story is essentially the same but it does have two advantages: 1) the nature of the Wraith and the characters involved make it a stronger story, and 2) its good. While 'Death Knell' tried to make a scary story about poor Carter and the faceless clone, the set up of the 10,000 year old wraith who comes across as a developed character rather than jsut bad guy muscle makes this episode far more scary.
From a DVD point of view the extras havent improved from the first two discs, but I've moaned enough about that already. Overall strong episodes, a good buy.