Anyway, I have decided to change the toilet out for a more efficient 1.5
gal model.
What I would like to know is what do you look for when buying one of these
things.
Also.... are they as efficient in flushing as the one I presently have??

Kohler (Wellworth) Highline "Comfort height" toilet. About 2" higher than a
standard toilet.
Had 3 in the last house and 3 more in this new one. $ 150.00 @ Lowes or HD