MPIX.COM all the way. Im sorry, but the quality of walgreens, walmart, and the other cheapies just do not cut it, unless your satisfied with average looking snapshots.
mpix also has a bill to and ship to address on their order form, so they will ship your photos anywhere you like if you specify where you want them shipped.
I'm not sure if this is true or the perception that labs want to sell us. The truly good ones, do color correction and maintain their equipment, and have pride in their work. Some others are nothing more than a fancy name, using identical equipment as Sam's Club, Walgreens and CVS.
I suppose the only way to find out, is like we used to do with Sundance, Cook and the rest of the mail photo places. Send the same 10 images to 10 places and compare what comes back. Otherwise, I admit, I'm only writing my personal opinion here.
That opinion is that unless someone is inept, or the equipment is out of order, you'll find little difference between your corner discount drug store and many of the web based photo services.
Professional labs, do turn out better results, and you'll get what you pay for. Discount places are generally all about the same.
mpix does color correction (for a little more) and uses laser printers. They will do discount prints, without correction for the same price as your corner store. Looks like a winner if you are set on internet photo processing.
White House Custom: "All prints 11x14 and smaller are printed on one of our Kodak RP30s. Prints larger than 11x14 will be printed on either a Durst Theta 50 or Theta 76, depending on the largest print size ordered." The RP30 is a laser printer.
Durst Theta 50 - With a resolution of 200 ppi or 400 ppi, can handle print sizes from 10x15 cm/4x6 up to 50x75 cm/20x30 as well as panoramic prints. Exposure is on KODAK PROFESSIONAL ENDURA Papers and Display Media.
Theta 76features a high-speed LED imager
Fuji printer that you'll find at Black's, Wolf, Walgreens, CVS, wherever:
Printing method: Dye Sublimation Thermal Transfer. 3-color faces progressive printing (yellow, magenta, and cyan) and surface lamination
Print's resolution: 300 x 300 DPI (DPI: Dots per inch)
Gradations: 256 - 24 bits for each color (About 16.7 million colors)