The upcoming ATI RS600 chipset will be called Radeon Xpress 1250:
The Radeon Xpress 1250 has a Radeon X700 derived graphics core with support for HDMI with HDCP compatibility. An HDCP-DVI TMDS transmitter is integrated into the Radeon Xpress 1250 core logic too. There’s no word if the Radeon Xpress 1250 will support the recently finalized HDMI 1.3 specification or HDMI 1.1 like the Sapphire Radeon X1600Pro HDMI. ATI’s AVIVO video processing engine with hardware acceleration for H.264, Blu-Ray and HD-DVD video formats. Windows Vista Premium with Aeroglass interface will also be supported by the IGP chipset.