We have an open layout also and deal with the same frustrations as you. Hopefully we will be changing offices soon. Not really much I can offer you as a reprieve maybe say a few Woosahhh’s. 
As far as our group dealing with it, we tend to move around the office in different parts. We have couches, conference room, bean bag chill area and of course a good old stroll outside. Other helpful tips: We have a stereo for entire area with everyone getting an hr or so on their favorite channel. We also went out and bought quite a number of plants to bring life and greenery inside. I suggested a cat for the office but that didn’t go over… 