Micromat has announced the release of TechTool Pro 4 with support for Mac OS X 10.2 Jaguar and 10.3 Panther. Version 4 has been optimized for Mac OS X and features a new aqua interface and an easy navigation window, a suite of S.M.A.R.T tests (Self Monitoring Analysis And Reporting Technology), an eDrive feature that allows you to create an invisible emergency volume from your existing drive, a new optimization feature, and more. TechTool Pro 4 carries a suggested retail price of US$99.99.