I just saw a ton of these at my local Home Goods yesterday. Have you tried Ballard Designs?

Linked below is a Google page full of wall-mounted magazine holders. Sorry to hear Pottery Barn doesn't carry theirs, anymore. HTH!

Here is a link that might be useful: Wall-mounted magazine holders

Wall organizers...maybe you can find something here.

Here is a link that might be useful: Wall organizers

Here's one from Wisteria. It's wire, not wood.

Here is a link that might be useful: Wisteria wall magazine holder