One of the things I don't like about Dungeons and Dragons - any edition really - is that it is really easy to lose the sense of scale for the world. Your PCs are a group of 4-6 people who go around, crawl into dungeons, and come out bristling with magic items and weighed down with money. That's fine. You can have an idea of wealth.
What you lose though is just how ridiculously strong they are compared to normal people.