<3 Pony. I know how much you've been aching for tomorrow. There's nothing more I can say, other than I'm happy for you!
I slipped on our spiral staircase once. Regular stairs have nothing on that kind of pain. The steps on ours don't have backs, so when I fell my leg went through one. This prevented me from tumbling the rest of the way, but also kept said leg in place when my body twisted and wanted to continue downward. Between that and my left arm also slipping through two bars in a desperate grab any potential damage was spread out, and thus considerably lessened. Thankfully my pain tolerance again allowed me to walk it off. I really don't recommend carpeting on stairs, spirals especially.
I also stumble sometimes when I'm just walking. >.> I don't lift my feet very high when I walk, so if the sidewalk is really uneven sometimes I'll catch a lip and look like a goof for half a second.