Motorola Atrix users should be expecting an OTA update this evening (or at least sometime soon), according to Motorola's Global Portal (corroborated by reports from Atrixforums.com). The update evidently includes a handful of improvements, from the "latest Google Android security fixes," to stability improvements, as well as Bluetooth, Wi-Fi, Messaging, and Contacts enhancements. Here's the full list of highlights from Motorola's site:
For those who are curious, this update will break root access. If your device hasn't received the OTA just yet, you can hit Settings > About Phone > System Updates, then download, install, and enjoy!