Choicestationery is selling the Think+ Black Ink Cartridge (references BCI-21BK and BCI-24BK) for a mere 81p when you buy 6 or more AND use the code 65984 at the exit for an additional 10% discount.
Of course you do get free delivery on these. The Think Plus brand has several advantages.
- Lower cost printing compared to expensive Original Equipment Manufacturers' products
- Specifically tailored inks designed for brilliant photos and fantastic presentations (especially when used with Think Photo Papers)
- Brand new patented "spongeless" interior cartridge design means up to 30% more pages compared with other 3rd party ink cartridges
The cartridge is compatible with at least 30 or so printers, most fro Canon but also from Ricoh and Panasonic. Interestingly, the Pixma IP1000, a popular entry level printer uses this cartridge as well.