I bought this 25lb bag of Roland quinoa:

http://www.amazon.com/dp/B000UWCZLA/ref=cm_sw_r_tw_dp_IMlBrb10YDM7K

Unfortunately it looks like I got a good deal that is no longer available ($66) because it was overstocked at that point through Amazon Warehouse deals. I still check out the Grocery section a couple times a week and see if there are any good deals. Here is the link:

http://www.amazon.com/b/ref=sv__img?ie=UTF8&me=A2L77EE7U53NWQ&node=1267877011