Welcome to the Lightroom Queen Forums! We're a friendly bunch, so please feel free to register and join in the conversation. If you're not familiar with forums, you'll find step by step instructions on how to post your first thread under Help at the bottom of the page. You're also welcome to download our free Lightroom Quick Start eBooks and explore our other FAQ resources.
I buy from Atlex and B&H almost exclusively. Atlex is usually a little cheaper on ink, for paper check both as sometimes one will be substantially less than the other on a particular paper.