east-tec Eraser reviewed and recommended by Warren Ernst, in the Print Edition of the Computer Power User magazine (Computer Power User Volume 11 Issue 7, July 2011, page 85):
It securely erases all the files you'd expect, plus lots of areas on your PC that you wouldn't.
A slider on the bottom of the east-tec Eraser window determines the speed vs. security tradeoff. ... None of the various undelete utilities we tried were able to recover any file with the slider set around the halfway position.