Greg Chick, a professional plumber, talks about how to select a new toilet.
Does brand matter?
What features, colors, shape size
gallons per flush rating
Physical requirements due to the building
Can't you just recommend a specific model?

See the video's companion web page on DIYplumbingAdvice.com
http://diyplumbingadvice.com/toilets/... and download a PDF of the toilet purchasing considerations.

1000 gram capacity Power flush and gravity flush models are both demonstrated with pros and cons.

Toilet testing site seen in this video http://www.map-testing.com/map-search/

Church brand ADA alternative seat seen in the video: http://www.toiletseats.com/model-fami...

for more real do-it-yourself plumbing information please visit
http://DIYplumbingAdvice.com
Music from Royaltyfreemusiclibrary.com, "Concentration" by Ernest R Albert