Frontpage 2003 doesn’t exist in the Office 2007 suite at all. There is Sharepoint Designer 2007 which, as the name implies, is targeted at tweaking Microsoft’s Sharepoint collaboration sites.
We’ve tried using Sharepoint Designer 2007 with regular (non-Sharepoint) sites and they work but not very well. We’ll have to wait until Microsoft releases their ‘Expressions’ software for regular web site creation.
In the meantime, we are pleased to see that Frontpage 2003 installs happily on a computer with Office 2007 Beta 2 or Technical Refresh. The two seem to co-exist without any troubles.
Let’s hope that continues in the final release of Office 2007. Since FrontPage 2003 has no direct successor it is more likely that people will want to mix the two products on the one computer.