Today T-Mobile announced via its forums that Sidekick Sync for the Sidekick LX 2009 is now available. Sidekick Sync will let Sidekick users access and use their Microsoft Exchange account, and supports push email, and full calendar and contacts syncing. The application must be downloaded from the Sidekick catalog and costs $5 per month. A Sidekick data plan is required.

Source: Phonescoop