Must admit the Cl415 looks good, if interested in something bigger (lo/hi mix?) then the Japanese US-2 might be a good option - esp if federally funded (air force? - they use the same engines as a C-130J)
The US-2 Amphibian Aircraft - Operations in large-scale fire disasters | ShinMaywa Industries, Ltd.
http://www.shinmaywa.co.jp/english/n...f/09-02-19.pdf
I must admit personally I like the russian be-200 especially with RR engines but bit worried about ongoing support and maint.