The Trangia is a wonderful all round system. I use the 25 (the slightly larger version) because I find the 27 too small for a decent cup of tea for more than one person, and whilst there is an obvious space saving issue, I also find the 27 too fiddly to use with the multi-fuel burner. Talking of which I’d consider the multi-fuel system an absolute must - the meths burner which comes with the system is fine if you have an hour to make a cup of tea - but as we discovered on the Dartmoor training run last year - the last thing you need when you’re cold and tired is to be wondering if your food will ever actually be ready. Less