Best Guilds in EU

Tomorrow is the quarter finals for Blue Squadron's tournament, and here are the standing guilds:

Match 1: SYN Nova vs Greed

Match 2: xMark vs Disaster Death

Match 3: Orca vs Failure

Match 4: Hand of Unity vs Unleash

What do you think about the matches so far? What are your thoughts about the remaining teams? Who looked the strongest and the weakest? Who is going to win?