I travel a lot for work, and a guitar almost always comes with me. I go between using the AmpliTube with a headphone widget and a very old Marshall MS2 (the little 9 volt guy). Frankly, the AmpliTube sounds worse than the tiny Marshall does. A lot worse. Also, I don’t necessarily need to wear headphones in a hotel room, I just need to keep the volume down. That being said, I am looking for something that is small enough not to take up all of my luggage and also (importantly) runs on conventional batteries. The reason is anything lithium ion must be carried on, which means taking up space and also extra scrutiny at the TSA screening. I am already carrying 2 phones, 2 laptops, and sometimes power tool batteries. The last thing I need is another item to deal with. Also carry on space is a premium considering that one of the items I carry on is the guitar itself. I have pretty low expectations for sound quality, and would sacrifice a little bit to keep it smaller if choosing between two. My little Marshall works, but it is tired and it’s very hard on batteries. I know my options are better 20 years later now. I am so far looking at the Roland micro cube and the Boss Katana mini. Does anyone have any input or experience?