Here's a link that shows all the merchants (including those from DLCs), their mercantile skill, what they buy/sell and how much gold they have. I think you'll find it helpful.
I'm off to buy some skooma from Nordinor. THX Acadian. :goodjob:
Yup. Buffy lives in Bravil. Nothing like coming home from dungeon diving at 2 in the morning and having good old Nordinor waiting there to buy her loot. :dance: