The normal price on these Epson R265 compatible sets of 6 carts is £11.49.http://svp.co.uk/products-solo.php?pid=2081
If you use the voucher code glastonbury before 11.59pm on Thursday 28th June you can get 10% off.
If you request the HUKD discount the discount is another 10% ! (More details on how to get the forum discount are here: http://svp.co.uk/hukd.php
Final price with both discounts is £9.20.
Delivery cost vary according to where you live and the total weight of your order.