There's been a few new updates on the Diablo 3 Emulator front, it's still in a basic sandbox state though. I figured that since things were so quiet, I might as well start tracking the project and providing updates here for those that were interested.

Here are all of the links to get you started:

Diablo 3 Beta Client: http://us.media.battle.net.edgesuite.net/downloads/d3-installers/4de82d80-ddeb-4e61-80ae-b4e8817f54b0/Diablo-III-Beta-enUS-Setup.exe

Information about various D3 emu server projects: http://twitter.com/#!/diablo3dev

Currently, the best emulator is D3Sharp which has been renamed to Mooege.

Server files are here: https://github.com/mooege/mooege

General Mooege information and help: http://www.mooege.org/

Latest updates on the Mooege project: http://twitter.com/#!/MooegeDev

Autobuilder, updater, and launcher for Mooege: http://mooext.com/

Mooext is a wrapper for the whole Mooege D3 server to make it easier for novices to get into the game.