I personally prefer stuns to slows.
Trilane: Sven + Venge + Windrunner
Mid: Leshrac / Lina (followup stun, pusher)
Trilane: Wraith King, Disruptor, Ogre Magi
Solo Lane: Undying
Trilane: PA, Sven, Disruptor
Trilane: Sven, Warlock, Venge (or Troll?)
Trilane: Sven + Venge + Crystal Maiden
Hard Melee w/ slows
Sven + Disruptor + Elder Titan
Undying solo offlane
Idea: Warlock and Disruptor allow Tombstone to stay down unmolested using Kinetic field and Upheaval, and yet keep enemy heroes in range of the zombies. Meanwhile, Sven can lay waste with right-clicks and Elder Titan can follow up with an Earthsplitter, which should be difficult to dodge.
Counter: This team is countered by split-push (Nature's Prophet, Tinker), and BKB heroes (Luna, Dragon Knight).