I had dual monitors at the office and at home. For me it really depended on where my chair was. I have a slight bias toward the left monitor at home, so my prim

I had dual monitors at the office and at home. For me it really depended on where my chair was. I have a slight bias toward the left monitor at home, so my primary activity goes there. At work, my chair was slightly biased towards the right monitor so I put primary activities there. (I also experimented with vertical monitor at work, but with the provided monitors the viewing angle was too awful. I bet it would be awesome with the right screens though.)