For 2 years, Jcx.Software has been offering a plug-in for Visual Studio that lets you develop Php applications. We are now moving to the next stage and offering a standalone version of VS.Php. We are working an agreement with Microsoft that will allow us to distribute the Visual Studio 2005 skeleton with VS.Php. Those who don't own Visual Studio will be able to use VS.Php and enjoy many of the cool features in Visual Studio.
Please contact us if you are interested in beta testing VS.Php standalone:
http://www.jcxsoftware.com/jcx/?q=feedback