The Firegloves plugin is somewhat flaky outside of private browsing mode right now. It turns off whenever you open a page in a new tab & it wrecks some sites when you use the block fonts options (ex.
IPBurger goes haywire). The developer plans to fix most of this in the next update.
That being said, If eb ever starts tracking system fonts it would be an epic disaster! Those unique list of fonts matched up with a very unique user agent string would be instant identification regardless of separate windows users.
On eb I use windows users or sandboxie to separate cookies. I use Quick java plugin to disable flash (blocks flash cookies, system font & browser plugin detection), then i use Firegloves plugin to set up a unique agent profile for every stealth...
Random browser... (safari 5.0 5.1, IE 8-10, Firefox 9-11 , Chrome 17-19)
Random OS... (mac osx, ipad, linux, xp, win 7, nt, vista)
Random resolutions... (1024x768, 1366x768, 1280x800, 1440x900, 1280x1024, 1920x1080, 1600x900, 1680x1050)
Time zone... matching timezone of stealth
^^^^ tons of unique combinations

.
Compete overkill for eb? Probably, but who knows when eb will eventually turn into Az
