Most Usefull Research Path...

[llamabeast]

Well it'd be an honor system, but it'd mostly be pretty obvious if you cheated.

Anyway, everyone around here is pretty honorable, so that would work fine I think.

[Meglobob]

You would probably after sign up with your nation plus the single reseach path. Like:-

Pangaea - construction
Caelum - evocation

Might make for a fairly quick, fun game. It would of course be very, very obvious if a player broke the rules.

[Humakty]

For longer games you could allow the first two levels of all paths, to let players have access to many must have spells. I can't imagine a game on a big map without the site searching spells