I'm looking for a reasonably priced travel ukulele, like a sopranino or a thin body soprano. I have a $30 one from China, but I'm looking for something with a bit better sound quality. And I do actually travel quite a bit, so the more portable the better.
I really like my Romero Creations XS Soprano. Same scale as a Soprano, but smaller than most Sopraninos. If you want something that is even smaller than the Sopranissimo, check out Andy's Ukuleles.
Price wise, the Ohana all solid mahogany model is the starting point for a "Good" pocket uke. Re: the Kala thin bodies, the smaller the size the "thinner" the sound.
Also worthy of mention (although I've not tried one personally yet) are DJ Morgan's "Mini Pineapple": http://djmorganukuleles.co.uk/ I'm not sure if he plans to make any more, so if you really want one, check with him first or snap one up now while you can!
Obviously you'll need to factor in transport from Europe and duty costs for either of these - I don't know how much those would be.
There's always the RISA stick. The soprano stick in its case takes up minimal space, is quiet for hotel rooms and such, and with a mini amp which can fit in the case provides reasonable volume when desired.
All the short scale sopraninos are pretty tough to play with adult fingers. If you think this will be an issue, then better go with something that has regular soprano scale, like the Romero XS or the Risa Stick.