Digit-Life posted a review on the ATI RADEON 4850 512MB
A quote from the article:
>> ATI RADEON 4850 512MB Review
Not long before RADEON HD 4800 series was announced, NVIDIA cut GeForce 9800 GTX prices from 299 to 199 USD and launched the overclocked 9800 GTX+ for 229 USD. Today we shall examine this new card from ATI (AMD) that has scared NVIDIA so much. We'll examine not only the reference card, but also four cards from AMD partners, which are essentially copies of the reference card.
>> ATI RADEON 4850 512MB Review