To add to the debate: a fairly balanced article (despite the headline) from a journalist who actually took the time to meet the people doing the work on behalf of the UK in Pax River, rather than just trawling/trolling the internet.
http://www.mailonsunday.co.uk/home/moslive/article-2091595/Super-jet-fiasco-F-35-soon-Britains-awe-inspiring-fighter-plane-.html