I'm a fan of both bands, I think both are great - but I still think Intronaut would have been a better support for the whole tour. YOB are definitely suited to a smaller audience and people that dig their music; Intronaut are a fairly easy band to listen to for the first time and get into.
2/9 Architects / SFTP
11/9 Cannibal Corpse / Hour of Penance
12/10 Nils Frahm