No matter how many bookmarks I create, when I'm looking for something I always start with a search through Google, but here's the site I use the most since it leads to so many other places.
http://www.freequiltpatterns.info/index.htm#AB
I know how devastating it is to lose so much carefully collected work, yet there's a part of me that says - how lucky to have a fresh start and not be faced with the seemingly endless clutter that my files seem to have morphed into.