What Do You Look For in a Junkyard 6.2?

[Bigshankhank]

If you are a junkyard enthusiast like me, what do you go for first when you find a 6.2 in a truck or van? Seems like the obvious thing would be the injector pump. Injectors? Valve covers? Heads?
Just curious, I am not looking to make a business out of scrapping engines, but I enjoy digging through yards looking for parts for the various vehicles I own.

[Yukon6.2]

I accumulate things and spare parts for my rides are on the list.
Since i originally got my 6.2 i now have 3 more complete crew cab 4x4.s
and another 3 trucks with 6.2 and 6.5 engins
then about 6 engins of various sizes and years
then 1/2 a pickup box full of other GM diesel stuff like heads blocks ect
And now have a few extra pumps and injectors