Howdy,
What with the introduction of the significantly lower priced PCX 125, Honda is essentially competing with itself. I suspect the Sh150i will be quietly withdrawn from the U.S. market. IMHO, the PCX is poised for big sales, if gas prices jump as they did 3 years ago. And gas prices are already rising steadily..
My Sh150i is more fun than fighting with kinfolk! I feel safer with those taller and slightly fatter tires than are found on the gorgeous PCX. I came close to getting the PCX yesterday instead of the Sh150i, but the increased safety of the bigger tires won me over.