Yamaha produces digital pianos which reproduce certain features of a grand piano. For example, Yamaha offers digital pianos with weighted keys and pedals, as well as full size 88-key pianos.
Yamaha includes information about its grand pianos on the company website. Another source of information online is an in-depth article and commentary on Yamaha pianos by Ed Ting available on Scope Reviews.
Bösendorfer then Bechstein then Steinway&Sons and then Yamaha
Yes. In general all Yamaha instruments are good. Especially the drums and pianos.
One may purchase Yamaha klavieres or pianos in Germany at "Thomann". It was one of the largest music suppliers in Europe and has a great variety to choose from.
You can purchase a Steinway piano directly through the manufacturer, Steinway. You can also purchase a Steinway used through various websites. If you attend an auction, you might be able to purchase one used for a steal!
The amount that Yamaha pays to endorse their product would be a private matter and not in the public domain.
Motorcycles
Yes, indeed you can. There are a few Yamaha digital pianos available on Amazon. There are examples in the related links for you.
A G7 20 dollar bill is made in Chicago.
Consult the Bluebook of Pianos, http://www.bluebookofpianos.com/
The original answer here was nonsense, pianos aren't only made of timber, most grand pianos are made of timber because it's a strong, and solid wood.