2) In Windows 98 you could go into Control Panel/System/Device Manager and reassign drive letters to just about anything you wanted. Is there a way to reassign drive letters in Win2K?

Programs->Administrative Tools->Computer management->Storage->Disk management

Right click on a drive and choose "Change drive letter and path".

3) (This one is my question). In Windows 98, using Windows Explorer/Tools, I could do a search for a file using different parameters (like filename, or extension, or "contains" etc.). I just tried to do this with Win2K and that capability doesn't seem to be there anymore. Am I just too stupid to find it?

Press the Windows key and F brings up the normal Win2k search window that allows you to do all of this.