Just got word from Dave @Beyond3D that they have posted up their review of the ATI Radeon 8500. Here's a quote from Dave:

Beyond3D's ATi Radeon 8500 review is up. Along with the standard benchmarking I've concentrated on AA performance & IQ, Texture Filtering, along with some T&L and Multi-texturing tests. ATi Radeon 8500 @ Beyond3D