(y) IE Privacy Keeper is absolutely free!

http://browsertools.net/IE-Privacy-Keeper/


Key Features:

Cleans up Interent Explorer and Mozilla Firefox history
Cleans up index.dat files without the need for a Windows restart
Keep selected items
Cleans up your offline activity traces
Cleans up custom folders and registry keys
Automatically cleans up when IE or Firefox exits
Various notification methods
Secure deletion
OS Supported:

Windows XP
Windows 2000
Windows Server 2003
Windows NT SP6
Windows ME
Windows 98
Browsers Supported:

Internet Explorer 5.5 and higher
Mozilla Firefox 1.0 and higher