I just burned an AVCHD 1920 x 1080p video on DVD5 (Authoring: multiAVCHD; burning: ImgBurn). Ayos naman ang playback on my Panny BD60 player.
I hope this format gains popularity. It looks like it has stricter file structures and specs for better compatiblility across different players. Puwede sa DVD5/DVD9 discs; puwede rin sa media players.
What I don't like about mkv, hindi strict ang specs. Yung mga authors, kanya-kanyang banat, nagkaka-problema tuloy ang playback.