The Visual Studio 2005 July CTP is now available on MSDN (http://msdn.microsoft.com/subscriptions/). This currently contains Pro, VSS, and VSTO.
The VSTS ,VSTF, and VS SDK images will be availabe on July 20th.
If you have an MSDN subscription, please try them out and send us feedback. Also make sure you remove all Beta 2 bits before installing the CTP.