I am leveling a WF Archmage at the moment. Right now I am specced for Spell Mastery Necromancy and Secondary Spell Mastery Conjuration. But I am waffling between whether I should go with something else. Back when I used to play on another server I had an archmage who was specced for primary Enchantment and secondary Evocation but the game has changed a lot since then. The best choices seem to be:
Necromancy: solely to boost DCs for FoD, Wail, etc.
Conjuration: for web CC, which is generally superior to enchantments
Enchantment: for CC, which offers more choices to cycle through (hypno, dance, charm, holds)
Evocation: for DPS via magic missile and chain missile (particularly good with Shiradi ED from what I hear)
All of the other options seem really poor. So some combination of the above four seems like it would work best. I think one CC (Conj or Ench) plus one DPS/Insta-kill (Evo or Necro) would be the best combination for ultimate versatility. I am probably going to TR as soon as I hit 20 and do another wizard life, so I may experiment with another combo next life. But I want to know what others with more wizard experience think.