First probably a house mod - it's the best way for me to say "hello" to Construction set and learn a bit about where things are and how they work this time around. And I seams to be allergic to the houses I did not make my self, for some reason even if I like the house made by others a lot I end up making my own for a persona use anyway...
Than character appearance mod, again for persona use - I need custom morphs and textures to get exactly what I want.
After that, if CS proves to be as friendly as Morrowind and when the plugins for all the programs I use updated - lots of new hair and clothing (I want fur coats, and a lots of them, Skyrim seams to be way to cold for an Altmer
)
Than, if I still feel right about the game - Oblivion had to many little let downs in the engine and general system for example, that I think Skyrim may just correct, I'll get to the "heavy" stuff