Now, you can now change the font face of the text in ad units on pages in Latin-character languages. Adsense just announce a new feature, Fontastic new options for your ad units.
You can choose between Arial, Times, and Verdana font faces. Please note that while font options will appear in every account, they’ll currently only be applied to ad units on pages primarily in Latin-based characters.
How do I select a new font for my ads?
There are two ways to set custom fonts: across your entire account for all AdSense for content units, or for individual ad units.
To set a custom font as the default for all your AdSense for content units:

Sign in to your account.
Visit your My Account tab.
In the Ad Display Preference section, click edit.
From the drop-down, choose your preferred font and save your changes.

The font settings will be reflected in all your AdSense for content ad units shortly.
To set custom fonts for individual ad units:
If you’re creating a new ad unit, you can choose a custom font while generating your ad code. Alternatively, you can update the font …

WordPress 2.7.1, the first 2.7 maintenance release, is now available. 2.7.1 fixes 68 tickets.
If you already have WordPress 2.7 or 2.7.1 RC1 installed, you’ll receive an update notification that will allow you to upgrade WordPress from within WP-Admin itself.
You can automatically upgrade from 2.7 to 2.7.1 via the Tools > Upgrade menu. This will upgrade the files and the database as well in one step. Or you can download the package and upgrade manually.
Happy upgrading!