I tried dotCover 1.1, integrated with ReSharper 5.1 running in VS2008.

The Cost
A lifetime license, with 1 year of free upgrades is $199 $149 – a special introductory price. This isn’t usurious, but considering that ReSharper C# edition, a tool that changes the way I work every single day, is $249, it’s enough.

VS integration
This is where I expected dotCover to shine, and it didn’t disappoint – the integration with Visual Studio (and with ReSharper) was excellent. The first thing I noticed was an extra “Cover with dotCover” item in the ReSharper test menu (triggered from the yellow and green ball things). I clicked it, and it ran my tests, bringing up the familiar Unit Test results window.

Once the tests ran, there was a pause while dotCover calculated the coverage info, and then the bottom pane filled in with coverage results: green/red bars by every method in the covered assemblies.