Name of the program: WinDriver Expert 1.90
Website for the program: http://www.downloadcollection.com/windriver_expert.htm
Description: WinDriver Expert is a utility that enables you to detect hardware, backup driver or drivers currently installed on your system. If you want to restore driver, find the latest drivers for your hardware and install them into your computer, you might try the Shareware version product My Drivers. With it, you may choose to backup a certain driver or the entire drivers to an EXE automatic installer. Driver remove is also supported.
License: Freeware
Thanks! This would be incredibly handy to have in my portable apps lineup!
Actual homepage is http://www.zhangduo.com/driverbackup.html. From that page, it seems like the freeware version is limited, but I suppose the same could be said for Revo Uninstaller, so take that as you will.