Schnelldampfer Bremen IV - Artikeldetailansicht - HMV - Hamburger Modellbaubogen Verlag
moduni - IHR MODELL-UNIVERSUM
Both sites are only in German though, but I think both ship worldwide nowadays. Don't forget to get the photo-etched detail set as well, it makes for an incredible model!
Now building: MS Willem Ruys - 1:250 - Scaldis
Recently finished: TS Hanseatic - 1:250 - HMV