FZ50 Upgrade - are we there yet?

I still use the old FZ50 and really can't be bothered with all the marketing of incremental, insignificant and complicating/ed technical changes that seem to be the norm, and so I don't watch the stream like some do.

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So I thought I'd ask here if any of you have come across anything that might be considered a FZ50 upgrade - internally zooming up to 400mm, better sensor, same decent glass, bigger and higher res articulating LCD, faster AF, usable higher ISO - less noise, etc?

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Anyone?

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Here's some of what I get with the FZ50, I only do macro.

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Mark - www.beingmark.com - http://beingmark.com/macro-illustrated/