A team of people are hard at work at Microsoft, and continue to work around the clock on the data restoration process.
Microsoft have apologized for the fact that this is taking so long, but have said that they are doing everything possible to maintain the integrity of your data.
They also say that they are making steady progress and that they hope to begin restoring personal contacts for affected users this week. The remainder of the content is expected to follow shortly afterwards. This has only affected customers who lost date from their Sidekick devices. Source – Microsoft.com