Basically, it's a bit like hairdressers, innit. Depends what chef is on, what dish you order, what your preferences are, whether the chef/cutter is having a good day. All you can go on is your personal experience, which judging just by the posts on this thread varies wildly from person to person! So as far as listening to others' recommendations goes, you might as well make a list of East Dulwich curry houses and stick a pin in to make your choice :)