Hi mate. I think it runs from 22nd August through to 24th but I can't find anything either. Putting 'World Championships 2008' threw nothing up on the NIFTA site. The dates I've given I read on a American site.
"Northern Ireland will be hosting the 2008 Worlds.
October 24 2007, 9:30 PM
Dates are 22nd, 23rd and 24th of August. City is Armagh, which is South of Belfast. Web site is http://www.nifta.com/ I was impressed by SAs approach and it would be nice if we did have a dress code. Would be even nicer if we had enough American shooters that would travel over to compete as a team."
I think info will be more available closer to the time.