How about the forged wheel called the Stern Aguzze S07, its only 14lbs for a 17" wheel and you want see it everywhere.
Also consider the 16" Rota Slipstream, it only weights 13.5lbs and is about half the cost of the Stern wheel.
You can get these wheels from <a href="http://www.machiii.net" target='_blank'>http://www.machiii.net</a>