In either case, your app should be written as a service which can be access by many different "clients" if necessary. Then you can go all hog wild with a WebGL

In either case, your app should be written as a service which can be access by many different "clients" if necessary. Then you can go all hog wild with a WebGL version of your app, and someone else (an intern) can come in later and write a Web 1.0 version of the client-side.