Website Downloader will allow you download and archive any live website. Can be used as a simple backup solution if other methods fail or for downloading seed content and images if you are into article spinning.
First looks for a sitemap file, if it doesnt find any sitemaps crawling from the index page will be used. During the download process all downloaded files are crawled for internal links. The means a very comprehensive copy can usually be downloaded.
Multi-threaded and fast.
Usage instructions should be pretty self explanatory. Website Downloader is based on the Archive.org Downloader tool.