SpaceWeather.com is reporting today (November 14, 2013) that Comet ISON brightened substantially last night (November 13, 2013) and is it now nearing
the threshold of visibility.
http://earthsky.org/space/comet-ison-has-an-outburst
Apparently, Comet ISON has surged in brightness by approximately 2 magnitudes in little more than 24 hours. If the trend continues, it could be a faint but easy naked-eye object by the end of the week.
http://spaceweather.com/