As indicated earlier, I'm _all_ for incorporating more of CCK and Views into core.Let's make a concentrated effort for that in D7.It doesn't mean that _all_ of CCK/Views needs to be in core, but certainly the stable and critical parts should, IMO.
At the very least, i believe we should have the ability to have default views and cck types in a hook, for use with install profiles.
for instance, exporting views to a hook_views_default_views()