Stock Turbo or Aftermarket? How much boost do you plan on running? The Stock Wastegate is fine for the Stock Internally Gated Turbo. If your going aftermarket dont waste your time with an internally gated Turbo go external.
I would really look for a name brand product, Wastegates/Wastegate actuators are something you dont want to skimp out on. The actuators you listed should work ok if you cant finmd anyhing else but be on the lookout for boost creep make sure you have a good boost gauge