Hello boys and the odd girl of the new board I have a serious question regarding the beer of the Gods. Taking my kids and folks to the beautiful city of Cardiff tomorrow. Bit pushed for time with catching up with family etc but am looking for a decent pub within 10 mins walk of the centre that serves a belting pint of Brains - has to be Dark and SA on draught as real ale. Bit of a specific ask I know but want to sample the best of the best if possible. It has been 10 years since I have been able to drink in the City and am looking forward to my first pint of decent beer. Any suggestions?

Thanks in advance.