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Id go with the focal k2s or maybe the diamonds. Have you looked at dynaudio? They are nice, but may be out of your price range. 3 ways will sound a little better (in theory), but the price and finding room for them often isnt worth justifying buying them over a similar set of 2 ways.
If you got a 400 dollar budget go find some CDT HD62 or try to find yourself a nice set of Eurosports on ebay. Probably one of the best components I've ever heard.