This spreadsheet has two different approaches for employing a simple decisional matrix.
 
The first sheet has a scored approach, where clients list the aspects of the decision they care about, and can weight them with higher or lower values, depending on which are most important to them. Then for each choice option, they can score how well this option supports the aspect. Weighted totals are calculated to help the client reach a point where they can see their own choice.

The second sheet has a simpler approach, with the quadrant layout of pros and cons for each choice.