I recently had the chance to test the latest OmniROM from xda developer sidneyK on my TF101.
The release has been dated to [2014-10-04]. There has been a lot of improvements in performance and stability since I tested an older version of OmniRom.
This blog is dedicated to OmniRom releases, GApps, tools, bootanimations and other downloads for the ASUS TF101 regarding OmniRom - such as TWRP