No feedback so here's a real patch for your perusal.
andy
1998-05-12 Andy Piper <andyp(a)parallax.co.uk>
* package-get.el (package-get-create-custom): new function to
auto-generate package-get-custom.el from package-get-base.el.
* (package-get-ever-installedp): new function.
* (package-get-custom): new function to get all packages specified
by customize.
* package-get-custom.el: new file of package loading
customizations auot-generated by package-get-custom-create.
* custom-load.el: updated to reflect package-get-custom.el.