In Guild Wars, the threshold for gold's functional use is very low and yet it is the main reward throughout much of the game. This is a mainstay of many MMO's however GW has routinely stated how they like to challenge MMO norms that just don't work.
In GW, gold's functional use is limited to very few things and all of these are rather inexpensive....armor runes, weapon mods, consumables, UW/FoW fees, etc. Then there's the next tier of functionality -- convenience. This costs a little bit more but is still relatively inexpensive....buying skills, guild hall improvements, etc. What really costs money in GW is vanity -- wanting to look good to either show off or because you just like it. Although that may encapsulate a large part of the GW audience, I like to think people also value substance over style and the simple fact is, if you have over 20-30k, there isn't a functional use for gold.
Gold becomes an inferior reward and yet we just seem to get more of it, decreasing its value all the more. If you were paid in food at your job instead of money, you begin to see the problem here. Sure, food is valuable but only to a certain point and that point comes pretty fast in real life....any more is just a practical waste.
Here are functional ways to make gold relevant:
-allow PvE types access to the PvP weapon creation system for 10k a pop
-create elite hunting grounds requiring a substantial entrance fee with functional/convenient rewards instead of shinier pixels (reputation points, everlasting scrolls, etc)
-fees that allow heroes to take PvE skills (make it per skill and limited time)
Maybe GW1 isn't worth making gold relevant in but I really hope they consider this problem for GW2 outside of just gold-sinks when rezzing. That's really only a small part of the equation. I'm sitting on about 1.9 million in cash in GW1 with nothing functional to spend it on. I don't say that to brag (as I'm probably on the low end when talking about the rich) but rather to prove a point. If you don't care about vanity in an MMO, there is little use to gold.
G

