Looking for a Great Sounding Outdoor Speaker

Believe it or not, my wife has told me that I need to buy new speakers!! A first!

The old rusted ones (KLH) don't go with the new vinyl siding, so I have been assigned to get new, nicer-looking ones (yeah!!).

So, I'm looking for recommendations for a new pair of speakers for the patio. I'm thinking I can spend up to $500 or so (maybe more if I push it). They need to be of reasonable size as they will be attached to the sides of the enclosed porch which borders the patio, about 6 feet up on the wall. I have an outdoor subwoofer out there already, so the speakers do not need to get all the way down to 20Hz, but the lower they can go the better.

White is the preferred color.

Any help is appreciated!