This sounds like it could really help devs get apps to WP8 or is it too good to be true?

"Tel Aviv, Israel - Mobile development platform Codename One is announcing the launch of its 1.0 version on Tuesday, January 29. After releasing in beta last June, Codename One – the first software development kit that allows Java developers to create true high performance native mobile applications across multiple mobile operating systems using a single code base – has garnered over 100,000 downloads and emerged as one of the fastest toolkits of its kind, on par with native OS toolkits."