OK, I'm obviously missing something. I've installed CKEditor into a D7 site, and all's well. The only problem is I can't figure out how to specify the toolbar that will come up by default in CKEditor-enabled fields. I've defined a new toolbar in .../ckeditor/ckeditor/ckeditor.config.js, but I haven't found any place in the site's config options (or the code, for that matter) that let me say that I want CKEditor to put up this particular toolbar. For that matter, I don't see any way to be able to choose the other toolbars in ckeditor.config.js (like DrupalAdvanced and DrupalFull). Any clarification out there? Thanks!
I finally figured this out: See http://drupal.org/node/1434814#comment-5583354 for the solution. The most important bits are: