What you say about UK Licences issued after 2012 will not be convertible to EASA licences is not true
I refer you to the CAA Website
para 4.3 and 4.4 of the Expected Effects on Pilot Licensing in the UK. I accept the date for LAPL conversion is later but the original question related to a JAA/EASA PPL not the LAPL.
I don't think someone with a need to obtain a JAA PPL now is going to hang around until 2015 to find out how the leisure licences finally pan out.