Hey guys! So GOG.com just launched a new feature called GOG Connect, which lets you connect your Steam account to GOG.com and get DRM-free versions of games you already bought before on Steam.
It's not working properly right now, probably because of server overload, but here's the link to anyone who's interested:
EDIT: For some weird reason, a pencil-shaped iron statue uh.. I mean, the thread got duplicated so mods please delete the other one!