When it comes to memory card needs, I would always settle for vendors who already have an established reputation of good service and quality products. What I mean by good service is professionalism in handling my order that would reach me as scheduled. By quality products, I mean the merchandise will work flawlessly as specified and advertised. This would surely eliminate unnecessary frustration and, therefore, build confidence. Other features such as money back guarantee and warranty are another plus to see before placing my order.