The lab will keep the files for a year and you can order re-prints just by quoting the image number on the back of the print. To me that's much easier than the current digital method.
EDIT: I just noticed the drum kit in your avatar image. Who do you play with? There is a link to one of my bands at the bottom of this post.
Here is their steam powered website: http://www.toeragstudios.com/