The FirefoxOS tablet from FoxConn can make a big diferrence to the success of this project. The FoxConn team are very motivated, not only in the (expectable good) hardware but essential in software development to support FirefoxOS (the key factor for sucess). Let's wait until wednesday to review the product announcement.
Certainly there are pros and cons, and it’s indicated to organizations, but why not using Firefox 10 ESR(Extended Support Release) and escape pressure of the browser market? http://www.mozilla.org/en-US/firefox/organizations/all.html
If you have a server in your client network, you can test Guacamole. It's web app writen in java that you can easy install on tomcat. You can find all information in http://guac-dev.org/