Combining Text Ads and Link Ads seems to be a good idea and potentially would gain more income for publisher. It is always good to have more options and customization.
This new ad format was discussed in http://forums.digitalpoint.com/showthread.php?t=424336. Or you can view the Adsense with Keyword sample (a leaderboard, with 728×90 pixels).
[Via Blogoscope]


