Nice I'll have to check it out. It's more Windows than DOS. It should be easier for most users.
I've been a user of the classic "Ultimate Boot CD" for many years, but being mostly DOS and Linux it is not comfortable for everyone.
However many low-level hardware tasks need to be done via DOS anyway.
http://www.ultimatebootcd.com
This is definitely made from free and shareware, as Sourceforge are picky about that
The homepage contains a list of everything and links to the original files and sites.
*EDIT*
Just visited Falconfour, and it seems to have a mixed rating at Web Of Trust
http://www.mywot.com/en/scorecard/falconfour.com
No one has actually commented, which would have been helpful