Windows 7 Instantly create ISO files

[whoosh]

ISO Creator Freeware Tool to Create ISO Files from Folder

Freeware : If you are looking for the way to instantly create ISO files
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then ISO Creator is the right tool for you. IsoCreator is a simple, easy to use C#.NET 2.0 application designed to enable users to create ISO 9660 Joliet CD images from a given folder or volume.

The application also allows you to create ISO with virtual files, given a tree representing a directory structure

 

[fjgold]

ISO Recorder, a MS Powertoy is the tool I use.
When installed it provides a right click option to create a .iso from any file/folder.

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I used it to create an .iso of my Win 7 install DVD so I could use the resulting .iso to make a USB flash installer.