I bought the Vargo Triad at Wilderness Gathering from Backpacking light. I had looked at it previously but dismissed it due to the fiddly filling but using a Trangia fuel bottle(the one with the controllable spout) it's really easy. It does need to be used with a windshield though, I bought the gucci foldable thick foil from BPL too(shiny kit can't resist) I had it out with G'friends kid using boil in the bag food it cooked one meal at a time really easy but couldn't do 2 I think it was the lack of water in the container too. Brewing up with it is really easy though and quick, an additional benefit of meths is it's silent I'd seen comments on here about it previously but dismissed it until I realised that I didn't have a roar whilst cooking. For priming it, it was a cold morning, I filled the pan up as much as I could and that seemed to be okay. BTW I'm not connected with WG or BPL
