[huhtenberg]

Their certs are issued by Comodo, which is a well established CA. And they are hardly free, their price is simply rolled into the domain registration fee.

[woodson]

They may be well established, but remember ComodoGate [1,2].

[1] https://en.wikipedia.org/wiki/Comodo_Group#Breach_of_securit... [2] http://www.securelist.com/en/blog/6177/A_Web_of_Mis_Trust_Co...