ATI will launch HD5850 later.HD5870x2 also will unveil mysterious veil until November.Recently ATI has shown up a machine fitted with a Hemlock.The Hemlock seems slightly longer than Radeon HD 5870.It clocks at 725MHz core and 1GHz memory and comes with 1GB GDDR5 memories. Dual-chip Hemlock has higher power consumption than HD5870.In order to solve heat issues,ATI offers 8pin+6pin power connector.From the information we gathered, Hemlock card is expected to be less than $500.