Disclaimer: anything I put into this entry is purely based on my own experience. All content is my personal opinion.
Continuing with online printers: this is the last company that I’ll review, and my favorite. You’ll see why:
Color shifting: Want to avoid it altogether? Download their color profiles (one per paper/print type). Output your images with that color profile, and what you’ll see, you’ll get. Take that back: one time their printers were out of calibration. They re-printed free of charge. Thumbs up, obviously.
Crops: for smaller pics, maybe a pixel. Larger pics (up to 16×20, in my experience): maybe three pixels. As good as it gets.
Paper quality: all quality papers (Kodak, usually), and you get your choice of finish. Includes metallics, glossy, others… More thumbs up.
Sharpness: I’ve generally had it hit or miss with them until the most recent print job. I finally found that they’re considered a “contone print shop”, and you do “contone sharpening”. More about that another day, though.
Overall: AdoramaPix has pretty much earned my loyalty. Some prices might be higher than with competitors, but the quality is there and they cater to the more advanced amateur & pro alike.