With my admittedly limited experience, the side burner stoves I've tried at home have been unstable, especially for larger volumes (like a liter). So one with a separate stand might be better for you - but heck, the Cat stove is easy to make and give it a try.

I like the penny stove - very fast to boil, easy to light. We've used it for our 2 person trips and have been very pleased.
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dk