>>10 There should be different variants, just like any other weapon since it's a whole new weapon type.
>>11 1. The perks seem to be gained by using the transformation for each respective race, and fulling certain goals so us killing an enemy by biting their neck and draining their blood, so you should still be able to get all the perks without having to start a new character.
2. You don't really need magic to do the college oddly.