Propuestas:
This proposal is to create a StackEchange site which subject is exactly the same as StackOverflow, but in a different language: Spanish.
I'm StackOverflow frequent user and I'm sure there are others involved in the process... IMHO site definition, by voting on-topic or off-topic questions is really not necessary, as we know what's valid in StackOvervlow and what is not valid there, and we can refer to StackOverflow way to do things when in dispute.
The effort, for sure, is to translate that things to the average Spanish speaker user.
I'm not against the phases of area51, I think the site proposal has to get enough followers, commitment and beta... this question is just about on-topic and off-topic questions which seems not really necessary.