You should never call an idea "The _____ Update!" without justifying it.
Quote from Broccoli_Monkey»
Hoppers, droppers and water streams. I know it's a lot more work then a transport tube, but it's technically already possible.
TBH, the transport pipes are kinda cool. But the rest of buildcraft would just turn me off of Minecraft, so it really wouldn't be worth it IMO.
And Ender Chests.