swa66 - 7:11 pm on Dec 19, 2012 (gmt 0)
I must say that I've seen tremendously impressive results from people using GWT (but that's a framework I guess). For clarity purposes: I'm talking about Google Web Toolkit [developers.google.com...]
The language as such: I don't believe it's all that important. You want to use a language your developers know (or choose your developers to match the language you're using).