>but there are also things to keep in
>mind like "Will people be able to determine a tick is coming
>if XYZ always happens here", which used to be the case with
>some things.

Yep. That may be an issue. So it make sense to keep important things (like hp updates) several pulses ahead of less important things (like weather change).

PS. And notice, that I don't propose to parallelize CF code and move to a fancy multi-core Nehalem-based server }(