Huawei unveiled two Mate 9 flagships - one with a 5.9" screen and a special edition Porsche Design with a 5.5" screen. Surprisingly, both models got a positive response. "Surprisingly" because the Porsche Design costs double what the base edition does - a steep price, but it it is a beautiful phone. The dual-curved screen definitely helps, even more so because it's an AMOLED with QHD resolution (compared to the 5.9" LCD with 1080p resolution). There was a strong contingent of fans of other brands, but the 5.9" Huawei Mate 9 won and the limited edition followed closely...
Source: http://www.gsmarena.com/weekly_poll_results_huawei_mate_9_gets_the_love_porsche_design_too-news-21583.php