http://www.barnsleyfc.premiumtv.co.uk/page/NewsDetail/0,,10309~1232819,00.html For those who can't access the site "Our allocation of tickets for the FA Cup game have now been sold. Representation has been made to Liverpool Football Club for a further allocation. Unfortunately this has been declined."
15% is 6800. They'll prob cover the 1st few rows and then they generally cover the rows at the side that join onto the home stands