Amazon has just revealed their latest Kindle e-reader, and it’s ultraslim, priced at just $139. At 8.5-ounces. the upgraded model features a new high-contrast E-ink screen, built-in Wi-Fi, 20-percent faster page turns, a WebKit-based web browser, and a sleek design. Product page. Video after the break. Click here for more pictures.

Now with new dictionary lookup, notes and highlights, and support for password protected PDFs. Easily carry all of your documents on the go.

[via Amazon]