http://www.alwaysfreeware.co.uk/fmanagers.html
http://www.pathbuddy.com/
Pathbuddy lets you define hotkeys for selecting folders in almost any program's Open & Save dialog (as well as Windows Explorer).
Normally, when you open a Save dialog, you need to navigate to the folder that you want to use, which can often be annoying. Pathbuddy allows you to switch the dialog to any of your favorite folders instantly, by simply pressing the WinKey + a custom letter/number.
So for example, if I wanted to save a file in C:\Testfiles\stuff\etc\ - I could just press WinKey+W on my keyboard to switch the dialog to that folder. If you don't want to remember all your shortcuts, you can press WinKey+A at any time to bring up a list that allows you to simply select the folder.
Requires: 98/ME/2000/XP
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http://www.digital-miner.com/hkcontrol.html
Hotkeycontrol XP is a complete hotkey utility that allows you to set hotkeys to do common tasks like opening files, ejecting your cdrom drives, restarting your computer, controlling active windows, controlling Windows media player and Winamp 3, changing volume, typing in commonly used text (macros) and much more. Besides the regular features, the volume status can be shown on the screen (OSD) or in the tray. You can also display any information on screen for easy access. The program is completely customizable in all aspects and has a great interface. Also the additional keys on your existing Multimedia/Internet keyboard can be used with Hotkeycontrol XP and all the hotkeys are functional even in games and in other full-screen DirectX applications.