What is the most important thing to you when buying a piano?

[pianopitchman]

I know that a combination of these things is involved in every piano buying decision.  But, if you had to choose the one most important factor, what would it be? 

[hgiles]

With the better instruments being labeled 'hand-crafted' there is going to be some variance in the product.  Hence, my most important consideration would be how well the manufacturer stands behind their piano -- brand (customer service).

Many pianos at the higest levels sound good, have a good action, etc...