TechwareLabs has published a review of the Palit ATI Radeon 4870 X2
A quote from the article:
>> Palit ATI Radeon 4870 X2 Review
ATI recently came back to kick Nvidia's tail in the marketplace with the new 48XX series cards. And what is better than having one 4870 in your rig . . . why of course having the 4870 X2. We check out the newly released Palit 4870 X2 and give you the scoop on true performance and power of this dually beast. Does the bionic frog on the box top really leap ahead?
>> Palit ATI Radeon 4870 X2 Review