Protestants tended to avoid the term spirituality. They were more likely to use the terms holiness, godliness, or discipleship in describing a life lived in relationship to God. But now you can't say the word spirituality and expect Christians to know what you mean because there are so many different expressions of the term.
Paul's presentation on the types of Christian Spirituality was based on the writings of Philip Sheldrake. We talked about the difference between Protestant and Catholic spirituality and how, even though in theory they're different, the way that Protestants and Catholics (or anyone really) live out their spirituality depends more on their level of development than on the faith camp that they belong to. Historically, Catholic faith was based on works righteousness, meaning that you have to do things like penance, confession and taking the sacrament in order to be in relationship with God. Protestantism was born in response to this with the belief that we are saved by grace alone. The weird thing is that most of our experiences of growing up Mennonite were about doing the right thing - more works oriented than grace oriented. (It was interesting to learn that the Anabaptist movement is closely related to Catholicism as an offshoot and maybe that's why we have this works flavour to us.)
A final comparison of spiritualities included the difference between apophatic and cataphatic spirituality. Apophatic is often described as imageless or formless spirituality. If you read about mystics throughout the ages, they write of a direct experience of God. Kind of like, Whoosh, and God just spoke to them. It can also be referred to as the way of descent, as in the higher truth of God descends as a gift to illuminate our lives. Cataphatic is spirituality in the opposite direction. It's about us using images and prayer and songs and anything that surrounds us as a vehicle through which to know and experience God. This is referred to as the way of ascent, as it describes how we attempt to meet God.
There are many additional expressions of Christian spirituality, depending on the geographical location of a group, the time period or the cultural circumstances. Rather than there being a right and wrong spirituality the important thing is that they are each authentic expressions of people who have a lived experience of God through Christ. As different as they all are, all Christian spiritualities are bound in their shared story: the story of Christ.