I have moved off of Firefox for Google Chrome, for now.  If you load the DEV version (5.x), you finally have an almost worthy browser from Google.  Here's my favorite extensions.

Last Update: 05.17.10

  • AdBlock - AdBlock for Chrome!
    Blocks ads all over the web. Rated 4.5 out of 5 stars by our users!
  • Amazon Discount Search - Quickly
    search for products based on Percentage Discount at Amazon.com, Amazon.co.uk,
    Amazon.de, Amazon.ca, Amazon.fr
  • Amazon Wish List - Add products from any website to your Amazon Wish List
  • AmazonBookCoverReplace the book cover thumbnail or "Search Inside" thumbnail with the
    full-size image. Use your browser's normal right click to "Save image
    as…"
  • Auto Replay for YouTube - Adds
    an Auto Replay button in Youtube Page.
  • Auto-Reload - Time interval
    page auto-reloader
  • Browser Button for AdBlock - 
    If you have already installed AdBlock and want a browser action button,
    install this too.
  • Chrome-URL-Simplify - Simplified
    url with goo.gl
  • Craigslist Preview -  Extension
    to prefetch Craigslist ad images
  • Diigo Web Highlighter and Bookmark - 
    Highlight webpages with multiple colors as you read online. Also allow
    tagging and sticky notes.
  • Explain and Send Screenshots - 
    Capture any part of a webpage, explain it with arrows, circles, text, just
    like Snagit and share or send it as a link or attachment
  • Extensions Button -  Access
    Chrome's Extensions section from a button in your toolbar
  • Eye Dropper -  Eye Dropper
    for Google Chrome.
  • Facebook Adblock -  Remove
    adverts from Facebook and Facebook Lite.
  • Facebook Fixer -  Allows you
    to customise facebook : zoom pictures on mouse over, hide stuff…
  • Facebook Simple Notes -  Simple
    script that consolidates Facebook notifications by grouping notifications
    that involve the same topic.
  • Feedly - Feedly organizes
    your favorite sources in a magazine-like start page.
  • Firebug Lite 1.3.0 beta for Google Chrome - 
    Firebug Lite 1.3.0 beta for Google Chrome, supported by the Firebug Working
    Group.
  • Fittr Flickr -  Making
    Flickr more fitter.
  • Google Images Large Images - Shows
    actual image size on mouse over in Google Images
  • Google Quick Scroll - Quick
    Scroll lets you jump directly to the relevant bits of a Google search result.
  • Google Share Button - Use
    the Share extension to share webpages via your social networks, email and
    blogs.
  • Google Voice (by Google) - Make
    calls, send SMS, preview Inbox, and get notified of new messages. (US only)
  • IE Tab - Display web pages
    using IE in a tab
  • Instant Image Editor - Edit
    any image or background image instantly by alt + right-clicking it!
  • InvisibleHand - Automatically
    get the lowest price on whatever you’re buying
  • LastPass -  LastPass is a
    free password manager and form filler. LastPass is also available for
    Firefox, Internet Explorer and Safari (Mac).
  • Pendule - Web developer
    tools for Chrome.
  • Picnik Extension for Chrome - Capture
    web pages and edit images right in your browser using Picnik
  • Readability Redux -  Readability
    for Chrome. Now fully customizable!
  • Rocker Gestures - Adds
    browser history backward and forward via mouse rocker gestures.
  • RSS Subscription Extension (by Google) - Adds
    one-click subscription to your toolbar.
  • SearchPreview for Google - Adds
    preview images (thumbnails) to your Google search results.
  • Send from Gmail (by Google) - Makes
    Gmail your default email application and provides a button to compose a Gmail
    message to quickly share a link via email
  • Sexy Undo Close Tab - Undo
    your closed tabs (cleaner version) + new features
  • SmoothScroll - Scrolls the
    websites smoothly when scrolling with the mouse wheel or the keyboard
  • Turn Off the Lights - The
    entire page will be fading to dark, so you can watch to a video as if you are
    in the cinema.
  • Type-ahead-find - Find text
    or links as you type
  • Webpage Screenshot - Fast&Simple
    solution to save JPG screenshots of any webpage. The first extension that
    captures the whole page.
  • Woot! - Want to see what's
    for sale today at Woot? There's an app…Er, I mean, we can help.
  • Xmarks Bookmarks Sync - Backup
    and sync your bookmarks and open tabs across computers and browsers. Xmarks
    is also available for Firefox, Safari and IE.