Visit an article webpage you want to save or transfer to your e-reader as an e-book. Just press the dotEPUB bookmark in your browser’s toolbar.
The video shows it using Adobe Digital Editions. If you have a slower machine, like I do, I recommend getting FBReader to quickly open ePubs for fast previewing.
It made a wonderful ePub out of this long article. Makes me wish so much that I had a Sony Reader Pocket Touch here to complete its use!
Mike Cane’s xBlog 
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Doesn’t do images for me, only text.
Yes, it strips out the images. Would be nice if there was an include images option, but it’s very useful to me right now.