Another 3D print service: EMP Designs. Like most service bureaus, this UK-based company accepts .STL files and produces the requisite output. No instant quotes here, though.
Kerry Stevenson, aka "General Fabb" has written over 8,000 stories on 3D printing at Fabbaloo since he launched the venture in 2007, with an intention to promote and grow the incredible technology of 3D printing across the world. So far, it seems to be working!