Like the thread says, I want to buy a Vibrant purple Ioun stone, I have lots I can trade for it including

Pale Lavender Ioun stone
Large shroud INGS
Red Dragon Scales
Boot Ings
Epic Scrolls (have an extra Epic greataxe and lots of others)
+2 Tomes
PLAT!!!

I'll start the offer at my Pale lavender and 2 Large Devil Scales for your Vibrant Purple, but if you have a different idea, or want something else on my list contact me and we will work something out.