iWork 09 not installing properly…

Just a quick question - has anybody been able to get iWork 09 to work without repackaging it themselves? With iWork 08 I simply copied the iWork08.mpkg file from the CD and added that to my InstaUp2Date catalogs, but when I do the same with iWork 09 and try to run it on the resulting image I get an error saying "Files that iWork needs are missing. To restore the missing files, use the iWork Installer to reinstall iWork". The InstaDMG log files seem to be indicating that it is installing two sub-packages: iWork 09 and iLife Media Browser for Tiger (which seems strange as it's running on Leopard). Using Pacifist I can see there are actually 4 packages, iWork09.pkg, iLifeMediaBrowser.pkg, ImageKit_Tiger.pkg, and GraphicsAppSupport.pkg. I'm guessing for some reason it's failing to install the Graphics App Support package (based on the indication that the Media Browser and Image Kit packages are for Tiger and not Leopard) and so not working. I've tried copying the GraphicsAppSupport.pkg resources and running them separately but that fails. A re-run of the iWork installer on the affected image does fix things. I'm thinking I might have to build a custom installer, but I have a strong preference for being able to use an installer as is. Anyone else seeing this? Should I be doing this differently somehow? Thanks, Jeff