The Radeon HD 2900 Pro will use the same R600 core as the Radeon HD 2900 XT and should fill the gap between NVIDIA's GeForce 8600GTS and 8800GTS 320MB
Here is the confirmation on a recent beta driver we got:The price should be close to $200
"ATI Radeon HD 2900 PRO" = ati2mtag_R600, PCIVEN_1002&DEV_9403