I usually get them from American-Digital, but their minimum S&H charge is $17.74 now!
![Angry >:(](/Smileys/throwback/angry.gif)
I like to get the ink-jet printable ones, without the shiny surface that picks up fingerprints.
For folks that get them online, what dealers do your patronize? I am looking for something more affordable in terms of S&H than American-Digital.