Runa is pronounced as ROO-nah and not as ROO-nuh.
ROO-nuh, would be more as
Rune, but then again that would be ROO-neh, if it is spoken as someone from Scandinavia like me.
I've also added that in the comments ages ago.
What is AT4? Well, it's this: http://www.gabitevents.co.uk/This message was edited 4/28/2009, 6:45 AM