Was looking through some of my marked web pages and came across this one today. Can't remember who, but someone here talked about the great 'gaspi' patios and somehow I marked their page.
Anyway, here's a version of edge restraint their selling that looked interesting.
http://www.gappsi.com/main/index.jsp
It looks very interesting, but the problem I already have is that many of us cut our borders in place with a cutoff.......not sure how that is going to work out with this design.
I like the structural tie in though.