The 40 probably. Go for it if it's short yardage, but Sark is doing it at midfield and I think even our own 45 or so. As far as kicking the ball in the end zone... say from the 50 or their 45 yard line... any decent punter should be good enough, and the team should be practiced enough to kick a high punt that someone (us or them) fields inside the fifteen, hopefully at the ten or five yard line. No return.
(And that close in, the punter should be able to angle it OOB.) They may fair catch a high punt at their fifteen, but more likely the ten, and if the coverage team is good enough, you get 'em back at the five or the two once or twice per game. That's money in the bank for our D. And the kind of rush we can put on punters... how about a safety or ST TD (to be distinguished from an STD) every game or two?
That's as "all gas" as throwing a three yard pass and hoping the ball isn't dropped, or tipped or intercepted by a defender expecting a quick throw. Punt the motherfucker.