So, I've got my basic four classes written up for B/X WoD: Vampire, werewolf, cambion, and witch. I feel like I'll eventually have the itch to add more classes. The other classes I'm considering:
-Some kind of fae-equivalent to the cambion, based heavily on manipulation and illusion. The main thing blocking me is pretty sad: I can't think of a good name. I'm not using changeling, because they aren't fairies who replaced human babies, they are humans who have fae ancestry. I was like "Faeling. Done." Then I realized that faeling sounds like failing and abandoned the name. Still working on this one.
-A shapeshifting class. I was initially into the idea of humans who transform into a specific animal. Other ideas: a werewolf-esque hybrid form at higher levels, a skinwalker-type who can assume multiple forms, a doppleganger-esque/face stealer type. (Although that seems more like a monster/antagonist...)
-A Frankenstein-esque heavy damage, monk-like class. (I'm really torn on this one, though because it seems kind of silly to me.)
Stuff I was considering, but am no longer:
-An angel-descended class. It doesn't seem to jive with the WoD/dark/monster-y vibe I'm going for.
-Ghosts. Ghosts are a pain in the ass as PCs, unless all the PCs are ghosts. Also, a lot of ghost lore ties ghosts to specific locations/haunts.
-Mummies, a la Boris Karloff. I was juggling the idea around but couldn't find any way to make it work that didn't just seem like dried-up witches. I might introduce them as antagonists. Also, given their geographical origins, how many of them are going to show up in North America? (Which is where my game is set)
-Gaki, e-kuei, panangellans, etc: I plan to treat these as variant vampires rather than separate classes. I also think their presence in my default setting would be so rare as to not warrant a full writeup at first.
-Any type of PC who isn't partially human, or originally human.