Some publishers feel the ad font tests make their sites look unprofessional, while others are enjoying the increased click-through numbers they are seeing on those ads.

Google is testing larger fonts in ad headlines. In the search result captured by PPC hubbub, all of the ads in the top positions above the organic results showed the test headline treatment.

What are your thoughts on the new ad fonts? Also, would you prefer AdSense to determine the font that is the best fit for your site, or would you rather choose the font in your ad units?