Just think, when you pull it down, you'll have to pull the dump pipe off, then it's usually easiest to remove the turbos, remove exhaust mani, undo everything that attaches to the head or inlet manifold (Pipes, and electricals)
And then undo the head from the block, watch for scraped knuckles or elbow here... I smashed my elbow hard on the guard...
You'll also have to take all the timing gear off the front of it, which, in the end means the radiator has to come out, fan off, bottom belts all off, harmonic off, just to get your timing back on.
While the heads off, check the block is true flat, and get the head skimmed.
Then you have to bolt it all back on.
Have fun, it's a big task.