DXE is back up and running. You can download the latest version here.
F.A.Q.
What is KLE?
KLE is replacement for DXE.
What is this?
This is simply DXE WotLK Encounters converted to work with KLE.
How do I install this?
Take the files out of the KLE_WotLK folder and put into your AddOns folder.
If you simply put the KLE_WotLK folder in your AddOns folder it will not work.
What encounters are included?
Eye of Eternity, Onyxia's Lair, Obsidian Sanctum, Ruby Sanctum, Naxxramas, Vault of Archavon, Ulduar, Crusader's Coliseum and Icecrown Citadel.
Credits to: Shuang, Kollektiv, Yawning, Fariel, Shefki, Fearendon, Pettigrow and many others...