Mini Sewing Machine- Worth It?

I am going to be living abroad for a bit in south america. due to those wonderful airline baggage weight restrictions, i've been thinking about getting a mini sewing machine to take with. i like to be able to adjust fittings and make a few of my daughter's clothes. but would it even be worth it? i've read a lot of varying reviews and now i don't know what to think... please help! if you have one, or have tried a few, i'd like to know what you think about them. also, i was wondering which brand works the best. i don't mind paying a bit more for a nice one. thanks!