I spent part of yesterday standing up a Rubric instance at rubric.genehack.net. It’s configured so that links put into it are public, but the web-based account creation stuff is disabled. If you want an account holler and I can probably make you one.
Why do this? shrug These days, I’m feeling more and more like owning/controlling my own data as much as possible. Sure, I’ll miss out on some of the social aspects of del.icio.us, but it shouldn’t be too hard to modify Rubric to send any new entries back over that way.
I did have to do a tiny bit of hacking/munging/kludging to get things to work, and I carried on further and made a few further fixes/enhancements. All of those patches have been sent to the Rubric queue in rt.cpan.org; any further changes I make will be funneled in that direction too.