As of this morning, the RTM version of Visual Studio 2008 (was codenamed Orcas) is available for download from the MSDN subscribers site.
if you're not MSDN Subscribers will have to wait until end of december or january ...
more information
Jihad
Will I have to wait till January to get my Developer Edition from MSDN subscriptions also?
no, if you have Team Dev with MSDN you can download Team Dev 2008 right now :)