You know I think this all a matter of opinion. I would wait to see & try them in person, before ordering IMHO. I have the 700 and I think that it is wonderful. I checked them (505 vs. 700) out at a Sony Store which helped me make the choice easily. I have no trouble with the clarity or glare. But then I don't work in an office type setting and that kind of lighting.
So, it's a very personal decision!
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