While browsing through Technorati for the FFXI tag, I stumbled upon this entry in the Star Onion blog.
Appearantly there is a joke on the BG forums about a Dragoon who paid for his relic upgrade by farming fire crystals.
So, FFXIAH placed a relic calculator on their site, and they compute how many fire clusters it will take to pay for your relic.
Woot! Only 90,000 needed for my Mandau. Time to start crackin on that. Only 2.5 years if I get 100 clusters per day to sell.
-pyra