I've finally spoken to Games Workshop.
Unfortunately all of the supply for the Traders has gone and I have only been able to secure two copies.
I will be looking to secure further copies via the Games Workshop on Saturday, however I am unable to confirm what quantities I will be able to secure.
This means that I will more than likely only be able to supply one copy per customer at a fixed price of £110.
I'm sorry about this.
If I am able to get a bigger quantity I will let you know.