Having been thru a number of different outdoor sets, I would highly recommend resin-based furniture. Had teak and it disintegrated. Metal is either too hot or too cold depending on weather.

Despite being in Del Mar, this place actually has very reasonable prices and nice stuff:

http://uniquepatiofurniture.com/

For under $2000 you can put together a whole outdoor living room like this:

http://www.uniquepatiofurniture.com/products/Versailles-II:–9-Piece-Deep%252dseat-Sectional-Set.html