Sony have released BIOS upgrades across the range of VGN-AWxx laptops. Unfortunately, if a specific model was shipped with Vista, then the BIOS upgrade is only SLIC v2.0. However, the upgrades for those models shipped with Windows 7 is SLIC v2.1. The really great discovery is that a BIOS from a Windows 7 AW series laptop can be applied successfully to a Vista AW series laptop! For example, you can successfully flash a VGN-AW31M/H with the SLIC 2.1 BIOS from a VGN-AW41MF/H. So you can now convert an AW series VAIO shipped with Vista Home Premium x86 to Windows 7 Ultimate x64 and activate it with the Dell SLP key and Sony certificate found elsewhere on this forum. Sorted This may well be true of other current VAIO series.