The point of SMPPS is that it doesn't only stop pool hopping, it also reduces variance to even lower levels than proportional. So it should be seen as a way of variance reduction, not just an anti-hopping strategy. Not needing to sacrifice stats transparency makes it even better.
My personal favorite is SMPPS in "try to achieve equal payment ratio per share" mode, as described above.
I agree, SMPPS is mostly tempting for me because it does a very good job of reducing variance. I can't help but think that two week round could have been made less painful, due to the three lucky rounds that came before it.
I didn't fully understand your concept of achieving even payment ratios per share, but I'm very interested; can you describe the idea more?