Great warranty, but still not the best!
Sony provides owners with a 3 year, parts and labor warranty. That's about as long as you will find, unless you buy optional service contracts or 3rd party warranties.
What isn't included in the warranty is any form of fast replacement or loaner program. While I love such programs, they are rare in home theater projector space.
In fact there are only a couple in the industry, at least in the under $10,000 range. Epson puts 3 years of replacement on the Pro series and 2 on their Home series projectors. I believe Optoma is still putting a year program on their local dealer only top of the line projector. BenQ had them when prices were higher but I don't believe they offer it on their W7500 - their current top of the line.