Now I am going to get killed for saying this but it's almost like you are referring to Microsoft Expression Web or something to that effect. When we were doing

Now I am going to get killed for saying this but it's almost like you are referring to Microsoft Expression Web or something to that effect. When we were doing work in Silverlight (god rest its soul), there was the facility to have designers working on the design and developers working on the code. Now, what you are referring to may be the actual Expression Web product they offer. I don't know, but it sounds very familiar to the Silverlight version. No, I am not suggesting everyone moves to PC to use this software, I am just bringing to light the possibility the software may already exist! We personally have no issue mocking up our sites in Photoshop then them being sent over to the developers to be sliced and used. We have never really felt this process to be in-efficient either. I think so long as the designer has a clear understanding about what the developers need then it's fine. When you have print designers getting used to web development for the first time, that's when you have problems.