[last updated 8th Mar 2008 Please read http://uksbsguy.com/blogs/doverton/archive/2008/03/08/action-pack-subscribers-get-full-windows-vista-dvds-not-upgrades-and-they-also-get-a-copy-of-ultimate-too-plus-a-stack-of-materials-to-sell-the-product.aspx to read about how full Vista SP1 will be shipped in...
I have updated the FAQ, but I can now confirm that there is an intention to ship Vista x64 to partners via the Action Pack, although all the details for the process have not be sorted, meaning that I cannot yet confirm which pack they will be shipping in. As soon as I get more information I will share...