BT has increased the value of its Sainsbury Gift Cards once more
£75 for ADSL2+ based products
£125 for Infinity based products
http://www.thinkbroadband.com/isp/bt.html
Gift cards are on top of the existing price offers and are available to those who order online before the end of the 31st October 2014.
Remember to claim your gift card once the service has gone live.