You should be good for the first wing.
Max out your mining and work on your blacksmithing til you can do the wrist and glove bonus sockets. That's an extra 120 Stamina you are missing.
How are your Frost Emblems coming along? First purchase would probably want the cloak. Since it would be a huge upgrade for you.
You should be good to do ToC25, get into there and try to get some additional gear.