Wow nice finding
But im with Pode ....
If a browser Made by Firefox Is better than Firefox ! that means that there are chances that the browser is powerful and unstable ,
More precisely...
Firefox is a stable browser
Aurora is better than firefox
egals...
Unstability
(Aurora is better in Html5 but not stable like Firefox )
So even if Aurora is better in HTML5 it's always firefox ( same code or upgraded for HTML5)
Meaning Aurora is only for testing and will not be like chrome for ever
That's it
(sorry for non-comprehensible text :p, first time I explain like this)