Reckon you won't upgrade to Vista until the first service pack is released? That's looking likely to be the second half of this year, according to Microsoft's latest email blast. The company has put out a call for "customers and partners (to) actively test and provide feedback on Windows Vista SP1 to help us prepare for its release in the second half of CY07". Microsoft hasn't released details of exactly what changes will be wrought in Vista SP1, which has been assigned the codename 'Fiji' but some OS components which missed the RTM cut-off will almost certainly be rolled into the update. One of the candidates for this better-late-than-never brigade would be the Windows PowerShell, previously Microsoft Shell - a .NET-based command line shell with its own scripting language.