Slowdays

http://www.slowdays.org/forum3/

Can be found and toyed with there. If you want to register, feel free, though we will be migrating over as soon as the software becomes stable enough to be reliable (and won't eat up all our stuff).

Currently the test installation is phpbb3 beta 2.

phpBB3 beta2 was just released!
http://www.phpbb.com/phpBB/viewtopic.ph ... 4&t=427216

We'll probably update the test forum to this shortly.