Ace Tickets in MA are scalping all the Coldplay tickets. I tried to buy tickets for the Camden show. They have tons of Pit GA tickets, sections 102 rows A-F, 10 tickets per row. The tickets I was offered were Section 100 row W and in addition ticket fees were over 35% in fees/surcharges. I guess Coldplay needs to pay for their free shows abroad and at MSG.
Ace also has the best seats in the center for every other show on the tour. They even have a coldplay banner on their homepage, which is no coincidence.