Because to date, it is clearly not operational: various bugs and crashes just spoil the fun ...
PLEASURE? yes because the interface is beautiful, fluid, fast. The pictures are very beautiful, the sound is nickel.
BUT THEN WHAT? it tears his hair for the network setup (jerks on 1080p files), subtitles are displayed very poorly (ridiculously ugly font, huge space between the lines, lines that disappear from the screen ...) some times the sound saccade (DTS-HD) ...
In short, it is urgent to wait until the product is operational. This is not the case, even after 3 firmware updates (28 novmebre) ...