The easiest solution is a symbolic link.
A symbolic link is a lot like a standard Windows shortcut, except that Windows does the redirection silently and universally. You move the files and folders elsewhere but leave this symbolic link in their place. Then, whenever a program references those files Windows quietly sends them off to the real location. The programs never know the files aren't really there.
So, for example, if Dim Pro thinks its samples are in c:\program files\cakewalk\dimension pro, it will have no problem finding them even if they're not really physically there anymore, because Windows will fool Dim Pro into thinking that's where they still are. Sounds complicated, but it's not.
There is a command called mklink for making symbolic links. It's a DOS command, so you run it in a command prompt window (cmd.exe). You'll want to run the command prompt as Administrator.
Here's an article that explains symbolic links and how to create them.