Keller Williams Technology
Yes, Keller Williams has the same great websites afforded by other real estate companies. No Real Estate company has "the best" real estate website because that is not what their core competency. This is why their are companies dedicated to marketing homes like Realtor.com, Trulia, Craigslist, Point 2, etc.

Yes, we also have Trendgraphix!
This tool allows you to show the actual status of the market to assist you in educating your sellers and buyers. Some companies have stated that they are the only company that is offering this tool to there agents. It is just not the case. Keller Williams has all the tools you need to succeed.