Re: JAR Compliant PPL vs JAA PPL - Difference?
Swings and roundabouts. Once you have the FAA ticket, you essentially can't loose it. With a JAA ticket, you must keep it up, or do a test every few years.
You cannot add national ratings to an FAA ticket in the UK, so no chance of an IMC. You can of course get an FAA IR and fly an N reg plane in IMC though.
You can fly at night on an FAA ticket by default - even in the UK.
FAA ratings (like ME) can be used in the UK no problem, even on G reg aircraft.
You can always convert to a full JAA PPL later on if you wanted.