Some of the VIP people even outside of ATI knew all along about this project, and ATI certainly told the investor community about its plans. It had to, since Nvidia was very noisy about its SLI technology and investors were raising many questions about ATI's next step. You also have to bear in mind that Nvidia SLI is working and performing and is soon to be shipped.More info at The Inquirer
ATI may change the name in the second quarter of 2005, butfor now this is the name that it is using to tell the people that it wants to tell.
ATI's SLI to be called Multi Rendering?

It is said that ATI's version of NVIDIA's SLI will be called Multi Rendering. But it is still possible that the company will choose another name for this technology which allows you to run two graphics cards in your computer system.