The nice part of an omni is that toe-in or out is irrelevant.
Location and room shape with it's layout, with the clutter within it becomes more important with regard to how far away one chooses as their sweet seat.
Nearfield becomes indulgent, but nothing in between except a single floor sub and the wall-mounted flat screen.
Fun on a desktop without having to wear 'phones.....
A/B or D don't matter, haven't trialed a straight-up A, but I'll get round 2it... ;)

