Apple has released MacBook Pro EFI Firmware Update 2.8, which specifically targets 15-inch models released in late 2008. This update resolves a graphics issue that may cause the internal display to flicker. To ensure you get the firmware update only if it’s necessary, we recommend relying on Software Update; if the update doesn’t appear for you, it’s not appropriate for your Mac. (Free, 1.8 MB)
Monitor Network Throughput with VirusBarrier X6
Concerned about how much data is coming into or leaving your Mac? Try VirusBarrier X6's network monitoring tools, which include a Traffic window, a standalone Traffic Monitor application, and even a screensaver that displays real-time traffic information.