Appears the Quicktime Player 6.x uses pretty much the same setup as 5.x with the QuickTimeInstaller.ini.
[QTSETUP]
32Bit=FALSE
16Bit=FALSE
NO_DIALOGS=TRUE
SHOW_SAMPLE=FALSE
SHOW_README=FALSE
SHOW_PROGRAMFOLDER=FALSE
REGISTRATION_DIALOG=FALSE
LICENSE_OPTION=2
SUPPRESS_SPEED_DIALOG=TRUE
SUPPRESS_PROXY_DIALOG=TRUE
INSTALL_QTJAVA=TRUE
INSTALL_QD3D=TRUE
INSTALL_QTINFO=TRUE
[QTPrefs]
ConnectionSpeed=Intranet
CSMultipleStreams=0
And of course you can get the full installer from:
http://www.apple.com/quicktime/download/standalone/