For comfortable browsing and great reading experience:
AdBlock+ — Element Hiding Helper port for Chrome.
AutoPagerize — A browser Extension for auto loading paginated web pages. AutoPagerize use in many web site, and provide efficiently web browsing.
iReader — View news stories and other articles in a very easy to read, clutter-free, scrollable display.
Youtube Thumbs — mouseover to animate thumbs
gcal++ — Little improvements for Google Calendar.
Google reader RSS Subscriber — Allows you to subscribe to the RSS feed in Google Reader 1 by pressing one button