You can visit with the beaker browser, or share it through dat so it won't ever go down.
You can also visit it at http://www.nanosavseq.com/ (DNS is not up yet, http://167.172.195.83/book/index.html is direct)
It's embarrassingly barren right now, mainly since I've encountered some big problems with getting my DNA quantifier out of storage to start doing a lot more experiments. I'm getting that on Tuesday, so will be updating site then.