starting with v1.8c, PiP (picture in picture) has enabled the user to take full advantage of the high end hardware we have today.
once the maximizer region has been defined, the user can swap the smaller regions with the larger ones... allowing you to temporarily focus your attention on the one clone, then flip it back when you are done with it.
starting layout. hitting F2 to bring the upper right clone to the main region yields:
hitting F4 will bring the lower right to the main screen:
and hitting F1 at any time will bring the original screen back to the main region: