Server Health Notifier was available as a giveaway on December 10, 2009!
Powerful, simple and easily configured application for notifying about the system resources problems of a local or remote computer. With the help of this product you'll be instantly informed of your server problems! You'll be able to specify critical values for every monitored resource. When exceeding the critical level, you'll be sent an e-mail or shown a balloon or message box with the detailed information or the specified program will be executed.
Monitoring available resources: CPU Usage, Memory Usage, Page File Usage, Threads, Process, Web Server Connections, Network Usage, Disk Usage.