forgive me...i haven't read every post on this thread..but i've read a few...
i think the shirt definitely needs to say "www.iorr.org" - but the web address doesn't have to be large and dominant. "IORR" should be prominent (obviously)
and if there is not something that blatantly screams ROLLING STONES we can't assume that anyone would automatically think "It's Only Rock & Roll" when they see the acronym IORR......so it might be necessary to include that (some examples have included both IORR & the song title).
Anyway...just my 2 cents. you all are doing a fine job debating these issues. carry on. Just didn't want someone to read IORR as a word and mistake it for a blue donkey that used to live at Brian Jones' house.