It looks as though Blackmoor are going to do some more of these offers following the blackcurrants for £1 last week.
This weekend's offer is Red Lake redcurrants for £1 each. Notified via Twitter:
http://www.blackmoor.co.uk/product_info.php?products_id=1001530 (http://www.blackmoor.co.uk/product_info.php?products_id=1001530)