This they'll know which zones to spend the most time on.
The Stargate Worlds developers have a new poll posted: What world do you want to visit first? They have a number of options, so cast your vote and tell them what you think.
Planets confirmed thus far include:
Agnos (Ancient city)
The Castle (Tau'ri prison planet)
Unnamed Goa'uld desert planet
Go vote at the Stargate Worlds site.