Is there a module that provides a multiple file upload (Drag and Drop) widget? If there isn't, how can I build one? Will it require a special setup for the server stack (LAMP)?
This is what you want. It enables the HTML5 standard for uploading multiple files. Use a normal file field but use this widget. Now one can select several files when browsing for files to upload. This works for never web browser but not IE8.
Hey you can use the PLuplaod module in drupal 7. http://drupal.org/project/plupload .. it support for HTML5, flash and HTML4 also easy to use.