Discount Ink Jets Very Disappointing Where Can I Find Good Reliable 'discounted' Ink Jet Cartridges In Hong Kong?

Where can I find good reliable 'discounted' ink jet cartridges in Hong Kong? - discount ink jets very disappointing

I take a short trip to Hong Kong shortly.

"Can anyone recommend some good places for real quality inkjet cartridges discount, or even after the market?

Mong Kok is a central location count. Other suggestions or ideas?

Thanks