Here we go: Adobe just made its Flash 10.1 prerelease packages available for download in fulfillment of its Open Screen promise. The download is available for Windows, Intel-based Mac, and Linux systems with a smartphone version coming later; notably, while no other mobile OS is specifically mentioned, Adobe says that a beta for Palm webOS slated for "later this year" on its Flash Player 10.1 page. At the moment, however, only the Windows release includes hardware-based video acceleration for H.264 video. And this is beta-ware kids, so there's more than the usual level of hazard with installing. Then