"That's assuming that interest rates will stay at the point where you can get a 5.5% ARM."
Referring back to the article that is the subject of this thread, it wasn't my assumption that interest rates will settle in somewhere lower than 7%, but the authors. That's what the 5.5% was roughly based upon. If rates go higher than the author posits here, then ARM loans go with it, at a proportionally lower rate.
I see houses of cards ready to collapse. It will affect everyone, in some way or another.