I am looking at getting a Pro4848 and am not sure what I should order for the spindle mount.

They have a "3HP Spindle Tramming Mount". I love the idea of a tramming mount and it will work with any spindle I choose. However, it looks like it only allows adjustment in the X dimension. While nice, I think I still have to shim for tramming in the Y dimension. The instructions seem to assume that the Z Axis rails are perfectly perpendicular the base. Am I missing something here?

Is it worth $105? I think it is, even if only one axis because I hate tramming. With my limited skill set, last time it took about a whole day and I filled my cursing quota for the year. Any thoughts or comments appreciated.