As you can easily see when you visit LessWrong.com, the site transfer is complete, and we are now on the new URL. The data import will run for the next few hours, and by tomorrow morning everything should be complete.
Let us know if you run into any problems, find any broken links, or anything of that sort!
Yep, greaterwrong a pretty decent solution. You can also just go on Eliezer's profile and click Load More, which should give you everything in chronological order.
The above link is one of those highly specialized links I am unsure we can make work in the exact way it used to, but we should definitely make the /submitted/ link work so you are forwarded to a list of all of the author's posts (or at least their profile),