You can install Yep's Yepshot bookmarklet into most web browsers. Once installed, simply click on the bookmarklet and Yep will create a PDF of the page you're looking at and let you tag and save it.
Bookmarklet Source Code:
javascript%3Adocument.location.href%3D%27yep%3Aurl%3D%27+encodeURIComponent%28location.href%29+%27%26title%3D%27+encodeURIComponent%28document.title%29+%27%26tags%3D%27+encodeURIComponent%28window.getSelection%28%29%29%3B
