app4mac today released CheckUp BETA 3, a new tool to check the health of your Mac. Built from the ground up with Mac OS X technologies, CheckUp features powerful tools to monitor the behavior and health of your Mac. It’s a powerful and intelligent monitoring applicaton for any Mac with PowerPC or Intel processors, and is useful for business and home environments. CheckUp is optimized for Mac OS X 10.4 and Mac OS X 10.5. The actual BETA version of CheckUp can be used for free. The company is asking for bug reports and feedback to make the product the best it can be. The final version is planned for February 4, 2008 and will be available for US$49$.