Just learn whatever programming language gets the highest day rate...
When that tails off, pick the next one and move on.
Keep a decent working knowledge of HTML/CSS and basic javascript (unless it's your chosen language of course (and probably a good move right now (*btw - I feel that it's ok to nest parentheses during a nerd converstaion*))).
I'm a ruby developer and have no shame in not being fluent in all the other options. If I had to hire someone under 40 who claimed to be fluent in everything, I'd assume they were bullshitting me (I've worked with one or two people who genuinely were, but it was obvious that they were mega-nerds from our first encounter).
I don't know about outside of London, but there seems to be plenty of work around for my nerd friends who span quite a few languages between them.
Just pick one or two and be REALLY good at it.
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HoratioFellatio Taking the the out of psychotherapist, Tue 21 Oct 2014, 0:56,
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