Google announced they have updated the link reports in Google Webmaster Tools. The update adds the domains linking most to your site, the pages on your site with the most links, and a sampling of the anchor text external sites are using when they link to your site. Plus you can drill down even deeper.
The best way to understand this is to see example screens or just play with them yourself at Google Webmaster Tools.
As I said, this comes before the highly anticipated Bing Webmaster Center link reports. Bing should be releasing them any day, I believe.
Here are screen shots of the new Google link reports: