Sweet Home 3D version 2.0.1 is on its way and will be probably released by the end of the month.
You can test a Beta version with Java Web Start by clicking on this temporary link [link deleted].
It will bring minor bug fixes and support for new languages.
Current Beta includes Japanese version with fully translated help:
Thank you Takahiro Sato for your great contribution! [:)]
[Edit: version 2.1 was released on 09/30/2009]