[x] Labels in the sidebar are slightly different typeface than the labels in the main column. They should either be identical or notably different. Identical is probably better.
[x] Use "Top Headlines" instead of "Curated Headlines" at the top.
[x] Signup box and the daily email digests should be grouped together as one unit with the same color screen behind them (that wasn't very clear in the mockup).
[x] Have the archived digests in the same order as the checkboxes on the signup form. Use "U.S." in both locations if possible.
[x] Link at the end of the sidebar, "More daily email digest archives" pointing to: /category/digest/