Ok, I've implemented support for this in the source code repository and implemented it in the blog, forums, etc. It will also be in the next release of Event Calendar Pro.
The way I implemented it is by creating a helper control that can be used in supporting pages, the helper control does not render anything itself but it looks for the PageTitle control and if it exists it populates it. So with this implementation if you had a third party feature that does not already implement it, you could drop this into the .aspx file of the supporting page(s)
<portal:PageTitleHelper id="ptHelper" runat="server" />
For it to work the <portal:PageTitle control in layout.master must have the ID="PageTitle1"