app4mac today released CheckUp Preview 2, a tool to check the health of a Mac. Built from the ground up with Mac OS X technologies, CheckUp features tools to monitor the behavior and health of a Mac computer. It’s a powerful and intelligent monitoring application for any Mac with PowerPC or Intel Processors. CheckUp is useful for business and home environment. CheckUp is optimized for Mac OS X 10.4 Tiger and Mac OS X 10.5 Leopard, as well as Macs with PowerPC or Intel processors. From December 10, 2007 until the end of January 2008, Mac users can use CheckUp for free. Users can order a user license at a special introductory price of US$29. This offer is valid until December 31, 2007.