Pleased to learn that you have got your self a Kala, they 're really nice. I started a social group asking for pictures of Kala ukuleles on their travels. So if you find your self playing it up a mountain or para gliding or on the beach please think about posting a picture. I sold the ukulele to a lady in Derbyshire so we know that there is one more Bruko player out there.
I ukulista in happy Colwyn Bay
Yes, the inlay is removeable, you can choose this bridge for custom instruments. The original inlay is made out of plastic, I have made a new one out of bone: http://www.ukuleleunderground.com/forum/showthread.php?20408-bridge-inlay-homemade
The sound isn´t much effected, but for me it looks nicer.
Brükos are built conservatively, everything is on the save side, most players prefer to lower the action and with a separate inlay it is quite easy to do.
my Brüko is a custom made Soprano. It has the same corpus as a Model 5, but a mahagoni neck and rosewood fingerboard. The prize was EUR 180,-- including a hard case, plus shipping. The standard "5" costs EUR 110,-- including a gigbag.
Have a look at www.brueko.de, you can choose english...
Ukuleles built by Hubert Pfeiffer are very well made.