price predictions

I donno if this is the right place to post this but, could people with a decent working knowledge of GWs economic mores give me an idea of what price change we might be looking at for white dyes, ectos and varesh mini pets, and what factors are likely to affect those changes? Playing as I have been, on and off, I've never really gotten to grips with what changes ANet and player populations have on the economy; I just log in every now and then and see stuff changed, often drastically, and dammit there goes my plat.