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."