Michael Niehaus' Windows and Office deployment ramblings
In previous versions of MDT, there was no way to copy a step or a group of steps between two task sequences. Now with MDT 2010 that is fairly simple:
This should save you some typing, since you won’t need to manually recreate steps in other task sequences. The step or group details being copied will be kept on the Windows clipboard, so it’s even possible to copy from one machine via Terminal Services and then paste into another.