There are new armour/weapon sets. Those craftable are usually included within an already existing armour tier when it comes to smithing. For example the Nordic armour and weapons are craftable using the Advanced Armors perk and Chitin armor as part of the Elven Smithing perk.
You can look up all the new items at the below two links. http://uesp.net/wiki/Dragonborn:Items http://uesp.net/wiki/Skyrim:Dawnguard_Items