ALMiW,
I fear there is no more light to shed...as the DIN says, the terms of FAFPS are still under discussion.
Many folk (me included) are waiting on the detail of FAFPS in order to see if it makes for a suitable through-life plan. I'm sitting on a PA offer the would begin 11 months prior to 2015 watershed so the bulk of my PA service would be under a scheme that is, as yet,
TBD. I'd be very surprised is many of those currently being offered PA take it without these details...we'll just have to wait and see.