Hull No. 1 of the new $1.7 million Sunreef 50 line has just launched. Polish superyacht builder Sunreef Yachts?best-known for its sleek, bespoke sailing and power cats up to 165 feet long?has a new addition to its lineup. And at 50 feet, it?s the new kitty of the range. The $1.7 million Sunreef 50 is a smart, strategic move by the respect...