How many terms is something we can expect some disagreement on, so depending on whether discussion lands firmly on one side or the other, a poll is probably at the end of this tunnel.
In favor of two terms, we have had some difficulty in the past getting more than two people who can commit to the top job. Changing from the "President is DP" to "elected DP pool" method helped that a bit, but we're still not getting many takers for the job.
If participation is high, as it should be, then all of our positions will be decided between several candidates based on merit, and a single term as the limit potentially denies the people the ability to choose the person they want. (well, any term limits deny the people a potential choice, but that's moot at this point)
The claim that incumbents and veterans have an unfair advantage seems to be untrue this game, at least on the surface. Fully half of the people who would make it onto my list of folks who
must be nominated for something are either complete newcomers or lurkers with really high participation levels. Maybe more than half, thinking about it.
Anyway, just some random ramblings.