Tonight I was told this by a friend of mine, and it wasn't something that I had ever heard before. However, he has a lot of experience in the game and I trust his information. But it's not something that is well known, or at least well publicized, from what I have read in my EQ research (which is often extensive when I am bored at work ).
Basically, the gist of it is this: you can use points from any LDoN adventure to buy an item in any other adventure, provided that you have earned at least that many points in that adventure first, at some point. For example, my friend had over 500 AP from several different LDoN locations, about 290 of them were in Mistmoore. He was able to buy two 250 AP items from Mistmoore, even though the conventional wisdom would be that you can only spend as many points as you currently have earned from that adventure.
This was complete news to me. Am I just totally out of the loop? I mean, this is a good thing--it means that once you have gotten a certain number of points from one location and bought something there, you don't have to keep doing that one over and over again to get an other item there...unless it costs more than the points you have earned there. And of course once you have 1500 AP in each adventure (piece of cake, right? ), then you never have to do a particular place ever again, and have the freedome to do any of them.
So, if everyone else knew this, then I apologize for this long post of obviousness. I guess it kind of becomes apparent once you have an overabundance of unspent points after buying something else first. But hopefully there are some people who were also unaware and this post will have given them some useful information. And of course if someone really thinks that this is totally untrue then I would like to know too.
Game on,
The Oneiromancer