Yeah you just need to push past the point of despair and go for it!
Once you get therei ts an absolute blast!
One thing that I found really useful is to go from Z spheres upwards when your learning it.
There was a great free tutorial at 3d buzz (I think) that went over it in Z2, but the workflow is still the same, and you gather a really good understanding of it.
"No pressure, no diamonds" Thomas Carlyle