The u115 links were useless as I could not understand the Chinese instructions & clicking the various icons led nowhere.
Clicking on green error gives an error dialog - some java/applet error.
Neither does going through Google translation helps.
The FDM recommended does nothing for the downloads either.

Finally downloaded it via the MegaUpload links with JDownLoader.

Will be visiting Shanghai starting Sep 28.
Hoping to check this out on my nuvi 370 or 1250.
Any limitations with the 370 as I do not always have access to the 1250.