keypress commands don't currently work with arrow keys on the grid screen (this is not restricted to the Netflix channel). The workaround until Roku can address it, is to send a keydown followed by a keyup.
My Channels: http://roku.permanence.com - Twitter: @TheEndlessDev
Instant Watch Browser (NetflixIWB), Aquarium Screensaver (AQUARIUM), Clever Clocks Screensaver (CLEVERCLOCKS), iTunes Podcasts (ITPC), My Channels (MYCHANNELS)
