Techgage.com takes a look at Sapphire's dual-GPU HD 4850 X2 card
A quote from the article:
>> Sapphire Radeon HD 4850 X2 2GB Review
If you game at ultra-high resolutions and want to know where the best bang for the buck can be found in graphics cards, look no further than Sapphire's dual-GPU HD 4850 X2. At $300, it's priced-right and offers incredible performance regardless of whether you prefer high anti-aliasing settings or resolutions.
>> Sapphire Radeon HD 4850 X2 2GB Review