I’m giving it a test run, it seems to handle pretty well. I ran it through two ~690KB files (which had about 10,000 lines of ping results) just to test the speed. It didn’t crash or stall, and only took a couple of minutes. Not bad at all, especially for a new application.
Compared to Changes it holds it own pretty well. Except for lack of folder support that is.
While I wait for git mergetool support I will use it whenever I need a diff tool and note any quirks.
SOFA, the company that designed Kaleidoscope also makes Versions, a OS X svn client. While I prefer Cornerstone from Zennaware I thought Versions was a decent take on a svn GUI client. That is until I found git and ditched GUI’s.