You can get 20% off all Think inkjets, toners and paper via Choice Stationery by entering code THINK20 at the checkout until midnight tomorrow (September 6th).

I just got emailed about this, so sorry its a little late notice but it sounds a good deal, as their ink toners are supposedly 80% cheaper than others sold on the high street, so it could be worth baring in mind.

They stock toners compatible with Epson, Dell, Brother, Canon, Lexmark, Hewlett Packard and Kodak printers, among others and they guarantee to refund your money if the print quality isn't as the manufactuers own brand cartridges - you can't argue with that