Here's something I've bookmarked and which you might like to look through, hiprevolutn:
http://rawfoodadvantage.com/juicers.html
I'd thought the best juicer was a Greenstar, but it turns out there's another called the Marathon that's even more powerful and leaves pulp that is "sawdust dry". Neither of these have plastic see-through bits as far as I can see, which I would certainly consider an advantage - I've recently been buying drinking water in glass bottles (from Waitrose, 49p a litre) and have noticed a plasticky taste when going back to that in plastic bottles - but, towards the other end of the scale in price is the manual Healthy Juicer and which is mostly plastic:
http://www.healthyjuicer.com/
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