What widgets that I'm lacking now?

If you take a look at my blog, the Bogart's Online World, you can figure it out on what widgets that I'm lacking, and how can I add them to my sidereel now? We'll, as part of my web optimisation plan, I already have the list of so-called recommended widgets to be installed in my blog, and these are:

1. ReTweet buttons

2. Follow me on Twitter Widget

3. Facebook Fans Widget

4. Mini Chat Bar

5. RSS Feed

6. News Reel

Last night, I have added the Subscription buttons made by Blogger itself, and I have title tags and image tags as well, attached a month ago for a good image of my blog and through search optimising.