So, yeah. This update is a few months overdue, and for that I apologize.
Archive of our Own H/D Holidays Collection
That link above is what you should be using going forward for a vast majority of H/D holidays submissions that were posted over the years. I decided earlier this year that I could not longer justify covering the cost of renewing/maintaining the domains that were used for each year of the fest once I took it over. It has been over for quite some time now, and I knew that most (if not all) of the fics housed there had been uploaded to A03 in the years since its closure.
The link above takes up to an open and unmoderated collection where you can find probably anything that you're looking for. The early years should still be on LJ, as those were never housed elsewhere at the time they were published (though likely have been since then).
But listen, I understand that some things may seem lost.....well, really they're not. I still have the gmail where every single submission was sent, and nothing has been deleted. If you are desperate to find something and having no luck on AO3 or elsewhere, please just ask me (taradiane at gmail) and I will dig it out for you. It's neither a hassle nor a bother, and you'll likely get a response within a day.