DivThemes has come out with divFinite, a professional looking simple and clean wordpress blog theme.
divFinite comes with a lot of backend options (you can see the backend sample image on their site) which makes anything from changing theme colors/text to generating automatic thumbnails a breeze.

Awesome Features :
- Theme Control Panel (Solid backend coding)
- Easy Private Ad Management (Ads can be uploaded from the backend and managed there)
- Featured article spot
- 7 Widget Ready Spots
- 3 Footer widget spots
- Threaded Comments Support
- Footer Widgets
- Dual Layout Styles
- Custom Colors ( All colors on the theme can be changed from the backend )
- Custom Typography ( Supports Cufon. Upload a font and it is automatically applied to your theme )
- Twitter Integration
- Automatic Thumbnail Generation ( Auto fetches images from your post; defaults if none )
- Header/Footer LogosĀ (Again, can be uploaded from the backend )
- Add Google Analytics code from BackendĀ ( Basically no theme code edits required at all )
- Author InfoBox below Posts
- Easy Feedburner Integration

You must have seen it mentioned at many a places. The WP-Supercache plugin by Donncha is indeed effective in bringing down the load on your server. This comes especially handy if you are hosted on a Shared hosting which will probably Suspend your account if your blog takes up a lot of CPU for more than a specified time.
Here are the results for blogulate.com on MediaTemple.
W/O Supercache : 20.08 GPUs
W Supercache : 13.61 GPUs
Get the plugin here.
This plugin generates static html files from your dynamic WordPress blog. After a html file is generated your webserver will serve that file instead of processing the comparatively heavier and more expensive WordPress PHP scripts.
The static html files will be served to the vast majority of your users, but because a user’s details are displayed in the comment form after they leave a comment those requests are handled by PHP.
Using Mozilla Firefox across multiple computers? Here are some addons that can come real handy.
LastPass, like they put it is the last password you’ll have to remember.
LastPass is a free online password manager and Form Filler that makes your web browsing easier and more secure. LastPass supports IE and Firefox as Plugins (Opera, Safari, Chrome, iPhone, Opera Mini via Bookmarklets), allows you to import from every major password storage vendor and export too, captures passwords that other managers won’t including many AJAX forms, and allows you to make strong passwords easily. Your sensitive data is encrypted _locally_ before upload so even LastPass cannot get access to it. One Time Passwords & Screen Keyboard help protect your master password.
Sync your bookmarks between browsers.
Xmarks is the #1 bookmarking add-on. Install it on all your computers to keep your bookmarks and (optionally) passwords backed up and synchronized. Xmarks also helps you uncover the best of the web based on what millions of people are bookmarking.
Download them here : Firefox Mobility Addon Pack
Alternatively, you can also try out Weave Browser Sync 1.1
This Free browser add-on from Mozilla Labs that keeps your bookmarks, saved passwords, browsing history and open tabs backed up and synchronized, with end-to-end encryption for your privacy and security.