"WebReaper is a web crawler or spider, which can work its way through a website, downloading pages, pictures and objects that it finds so that they can be viewed locally, without needing to be connected to the internet.
Some Features:
Multithreaded downloading.
Explorer-style interface.
User-customisable filters (limit by depth, time per object, total time and 'distance' from starting server etc.).
Simple-to-use filter wizard.
Full Drag & Drop support (drag links to/from Internet Explorer/Netscape).