I have 2 Trangia Cooksets. One real, the other a Chinese knock off I purchased in Australia. Like them both. Methyl Hydrate is my preferred fuel. It is readily available in Canada at any hardware /paint store. I understand the issues around methyl hydrate as a poison and am careful while handling it. I like the fact that the stove is silent, stable, mostly windproof and is a compact complete cooking system. I also have the cannister gas burner for the Trangia. Super convienient, lots of heat and lots of control. Again, cannisters are readily available in this part of Canada. I often carry both burners and fuel and use what I feel like on the day. I'm not excessivly weight conscious so the extra few grams doesn't really concern me.
As far as petroleum fuels go, I have an MSR Dragonfly. Excellent all around stove.My stove of choice for groups of four or more or cold wearther use.
In temperate weather the difference in time to boil a litre of water between the meths burner and the Dragonfly is minimal, when you take into account the set up time for the dragonfly. The cannister burner beats them both hands down.
I like them all, use them all as I see fit. I don't think any one system is more or less dangerous then any other, it's the operator that is the critical part of the safety equation.