+ 1
Morgan is the man.
I've done it both ways - no custom iccs, print and tweak - and custom profiling.
Believe me, getting a handle on colour management practice was one of the best business investments I've made.
It actually is very easy, even I can do it. You just have to get the basics down and the rest is easy. Oh, and having the right tools helps TREMENDOUSLY.Once you get your head around it, it's fine. Practice, Practice, Practice.