Bing announced they have expanded the Bid Landscape Tool to support not just keywords but also ad groups.
The new feature has launched in the US currently but will be expanded worldwide in the near future.
Bing Ads Bid Landscape Tool enables you to view estimated cost, clicks, impressions and top impressions for a single keyword at various bid price points. You can view estimated data for multiple bid price points simultaneously.
Here is a picture of the tool:
To learn more about this feature, see the Bing Ads blog.
Forum discussion at WebmasterWorld.