Crux allows you to create web user interfaces in a declarative and modularized way, which drastically improves development speed and code maintainability. In other words, it brings you the best of both worlds: the comfort of creating pages with HTML and the elegance of controlling those pages using Java code.

So … could we say that GWT + Crux is JSF done right?

You might want to check out UiBinder as well, which is part of the GWT Incubator. I wouldn’t wonder if UiBinder or a similar technology finds its way into GWT 2.0 or later.