I think Rails 3 has laid a good foundation to build next generation of web applications, or back end of web apps. With introduction of Asset Pipeline and built-

I think Rails 3 has laid a good foundation to build next generation of web applications, or back end of web apps. With introduction of Asset Pipeline and built-in support of CoffeeScript/Sass etc, it is a lot easier to develop in Rails than before. The performance is still not ideal though.