We will of course ask the community what they feel is important before we march off developing.
Granny said ... "it's better to have it and not need it, than to need it and not have it."
With Facebook supporting it and Microsoft Supporting it for Apps under Windows 8
Yeah, they both agreed with Granny.

Seriously though, any web support will be great.
I just want to sling a few variables to a server sided PHP script for a leaderboard system.
That would really be handy for single player games.