this thread makes me recall one sentence in my friend's blog, ' what's more important - your goal, or others' opinions of your goal?'
in my view, in order to find the answer to ur question, a pre-requisite question u need to ask urself first,that is, why u want to do the postgraduate degree in law i.e. are u going to practice law as a solicitor or related professions or devote urself to the legal education or even just enjoy studying law. the point of postgraduate degree in law would be different respectively.