I think that the ASR/RPS situation will be changing, rather than them disappearing all together, from the consultation document;
http://www.caa.co.uk/docs/2257/20120...onDocument.pdf
49. It is accepted that the map of the UK Altimeter Setting Regions (ASRs) is likely to change as a consequence of the change to the TA. Extensive work has already been undertaken by the TAPT and the UK Met Office to determine the issues associated with revising the ASRs. This work will continue during the initial consultation period to ensure that the eventual shape of the new ASRs balances the needs of all airspace users to the greatest extent possible. Once complete, findings will be distributed to stakeholders for comment.