Progressive Christianity to me is the stage where more liberal Christians have reclaimed the dynamic reality of God as an experiential reality (more or less, I generalize), but also can allow space for honest skeptics and seekers. I think it's more than that as well. It's a way to creatively engage and express spiritual realities. It is inclusive as well. Amen to that!
If anyone is looking for another avenue to read and engage, feel free to visit my blogs:
Both are in the spirit of Progressivechristianity.org. Blessings and peace!