After a little research, there *does* appear to be two hardware scalers in the Toshiba Super Companion Chip (SCC) inside the PS3. See this link: http://www.hotchips.org/archives/hc17/2_Mon/HC17.S1/HC17.S1T3.pdf.
However, the original SDK didn't use the scalers for games as there wasn't much firmware in the PS3 to support it. The latest firmware is rumored to have better support for the SCC. Only Toshiba and those who have used this chip know what it's exact capabilities are. Also, only Sony knows if the PS3 is using this hardware for other tasks, or if the PS3 is even designed in such a way that the SCC can be used for this purpose.
Yeah... I wasn't aware of this hardware, but the question remains... can this scaling hardware be used in the same manner as Ana in the 360, i.e. - can it provide upscaling to 1080i/p for games?
EDIT: The juicy bits are on page 13 of the pdf.
