You do NOT need to visit Major Donor Island. First of all it doesn’t exist, and secondly, if you are a medium-sized to large non-profit ($10 million+), your major donors are already in your database.
The gift of labor is a precious thing; it should be valued and stewarded both because it is the right thing to do and because the giving of time is closely tied to the giving of money.
If there’s one area to make an investment in fundraising, it’s major gifts. It has the most bang for your buck AND the most potential for long-term benefit.