I've mentioned this on the FAFPS thread, but following a chat with the folks at the FAFPS the key to the whole future of PAS lies within changes to the pay scheme which we have, so far, heard nothing about. All of this detail is unknown so far and makes the decision for anyone to take PA at the moment, IMHO, impossible.
Agreed, although some clues about the impact of NEM on pay seem to be drifting through.
BBC News - Government urges councils to sell off high-value houses
It remains to be seen how 'social' the state regards military housing, and at what combined income threshold the Japanese are allowed to start to increase military rent to comparable civilian levels, but some form of consensus seems to be forming. The state announced earlier this year that the total cost of public housing subsidy for those above the £60,000 threshold was £122.4 millions and the annual subsidy for a £100,000 threshold was £21.6 millions. You can see where they are going with this.