Mike,
I have the Premier and just bought an S200.. Your comments on the filters is the main reason that I moved the old Premier, which is five years old and still works great, to a rent house pool.
From a cleaning point of view I can't tell the difference between the two units... It is just easier to clean the top loading basket on the S200.. If you buy the S200, make sure you ask for the dual filters, as it does not come that way..
The S200 was about half the price of the Premier...
Thanks,
Jim R.