Seriously guys drop this whole 480 issue with noise, power, heat etc... Honestly if your playing a game and the sound of the fan is overpowering then you need better speakers or headphones.
Mine never go above 85c which is way below the 105c that the card was designed to handle. Power is another topic I dont see the issue with. First of all are you even paying the bills? 2nd is another 5 dollars a year really a big deal?
For me, the best price/performance option (disregarding future upgrade options) would be SLI 460s or 5830s. I don't think you'll find a comparable single card for the same price.
One thing to keep an eye on though are newegg open box deals. I got a 570 for less that $200, 460s are going for about $100, and there was even a 580 for $300. They come with full warranty so basically it's the same as buying a new card, for a sweet discount.