might be worth looking into these as well, seems to be a lot of merit passed amongst these accounts in particular (in addition to the two mentioned in op).
https://bitcointalk.org/index.php?action=profile;u=1925869
https://bitcointalk.org/index.php?action=profile;u=1697068
https://bitcointalk.org/index.php?action=profile;u=830898

ill try and look through a bit later when i have time.