I agree. Multiple monitors (or one larger monitor) facilitate cross-referencing more than anything else for me. As a side note, I've lately been using a hi-res

I agree. Multiple monitors (or one larger monitor) facilitate cross-referencing more than anything else for me. As a side note, I've lately been using a hi-res monitor which my company purchased for a vision-impaired individual (who has since retired). It is really nice! Until you use one you don't realize how much fine resolution reduces your eyestrain.