Just my opinion of course, but at first blush I don't see a model 600 being deserving of a high end piece of wood. The 600 is a great hunting rifle, butis not in the class of a 700. You might be doing yourself a favor by considering going to a fiberglass stock as it would greatly improve accuracy, result in maintaining zero, and keep you having to go through pain of doing the inletting. Just something to think about. I do agree with you if just meeting the challenge is the issue, and nice wood can be and is beautiful. I will be anxious to know which route you take and if you do decide to go with wood, will certainly respect your courage and willingness to try it, good luck, what ever you do.
What caliber is the rifle by the way. It would difficult to find a factory rifle with the potential for accuracy that is any greater than the 600 Remington and is why the fiber glass stock would be so much of an advantage to that peticular rifle. If accuracy and consistant zero is of any value to you then you do have a decision to make. A wooden stock, no matter how well made will not hold its zero due to the wood constantly moving and I'm sure that you already know that.