Latest stable release:

http://www.filefactory.com/file/a11c07/

Test releases:

http://www.filefactory.com/file/e12033/

Info: http://tabugfix.wordpress.com/2008/03/24/bugfix-ta-update/

Test release 2 (adds better cloaking and stealthed spy units inc. Arm Sniper)
http://www.filefactory.com/file/0de4ba/

Test release 3

http://www.filefactory.com/file/497032/