I'd do the dive - just not entirely relishing the idea of hauling twin 12s through the tunnel and down the ladder...that said, at least I'd be able to do it in one trip rather than having to head back for a second cylinder again.
And if anyone works out a way to overcome that problem then I'm sure I'll be able to come up with another perfectly valid excuse
(In all seriousness I do plan to dive through the winter - although not as often as I'm not
totally barking - so Hodge at 2 degrees could be an option at some point. You will, of course, have noticed my vagueness about date and time
)