I tried Irth Online for a bit, and it turns out the open beta is under a non-disclosure agreement. So, I can't talk about a game that I signed up for; a game that anyone can currently sign up for!
For anyone interested in beta insight, just visit the Irth website and register in the forums. This should instantly allow access to the beta forums. My guess is that they want everything in one place, so players aren't talking outside of their beta forums.
The developers claim the game will go live in September.
Update: 8 Jul, 2007 - Edited post and applied label.