I have had a metho stove before and was quite happy with it although expensive to run as I was heating water etc. Also In recent years my diet has changed and i now try to eat more raw foods and the fact I have a hot water service now makes an alcohol stove a good choice.
I currently have a gas stove/oven and Im reluctant to connect it and use it as the idea of gas and boats don't mix. Many people have said "it's alright! nothing to worry about! I have had one for 30 years!" Im still not game enough to bring gas on board, so an alcohol stove it will be.
My partner Sue had an accident on our last boat when I was away on another boat working. She decided to fill the stove with alcohol and in the process spilt alcohol and it ran down underneath and there was more than she realised as there was poor lighting. Also underestimating the danger, she continued to light the stove and within seconds the galley was alight and she panicked and used the fire extinguisher and what a mess!!! Partly my fault for not have a fire blanket at hand, luckily nothing was burnt just powder everywhere :o