It depends on the show regarding floor tickets during the presale. I remember being able to get decent floors for Soldier Field during the presale. The tickets you got probably dropped, which happens a lot.

As for the quality, not to insult you but the view from 212 will probably be not too different from section 16. I've sat in the back of the floor at stadiums before and it was like being in the upper deck. Being row 1 is nice as no one will be in front of you, but it's not like those floors are close. I'm picky with my seats, though.