The one big hang up I run into, sometimes,

The one big hang up I run into, sometimes, is that the rooms for boss fights are large in SoO. While it's nice to have lots (4 or 5.. still not sure the exact number) of battle rezzes, I've had my strategy flounder because none of the rezzers were near the dead person. That's partly my fault for not planning better. Immerseus room especially: where we need two heroisms/timewarps/ancient hysterias.
or wow
That said, Flex raiding is flipping awesome. I was struggling to fill a ten man each week prior to 5.4.. now I'm worried my flex team is going to hit max and I'll have to rotate or turn people away! I'd rather have too many raiders then not enough, though.