BUG REPORT:
Under Win7x64 with Chrome Ver 37.0.2062.103 m
It looks like the kerning is borked in some instances:
http://screencast.com/t/62mt8ipG0
http://screencast.com/t/bzzdsUol9CnZ
It must be due to something specific to this machine, as I don't see the issue elsewhere when using the same version of chrome.