I was looking over this list of games that are on my shelves, but I have never run them and in many cases never played them either. Which should I learn run for my VoIP group?  Lay it all out there, give me the good, the bad and the ugly! What would you want to play?

King Arthur Pendragon (5.1 Ed)
Adventures in the East Mark (D&D retro clone)
Dungeon World
Numenera
Fate Core
D&D 5e
Call of Cthulhu
Fiasco
Early Dark
Hollow Earth Expeditions
Achtung Cthulhu
Weird Wars Rome (Savage Worlds)
Weird Wars WWII (Savage Worlds)
Torchbearer
Cthulhu Invictus
Durance
InSpectres
The Laundry
Mouseguard
tremulus
Trail of Cthulhu
Yggdrasill
Victoriana (3rd ed)

~ Modoc