.mkv e .avi non te li legge anche l'Oppo?
EDIT
Additional Disc & Media Formats - Additional disc and file formats, such as DVD, audio CD, HDCD, Kodak Picture CD, AVCHD, MP4, AVI, MKV and other audio/video/picture files on recorded discs or USB drives can be played back on the BDP-103. The BDP-103 fully supports high-resolution lossless WAV and FLAC audio formats.
Wireless & Ethernet – Using the included wireless-N adapter or the built-in RJ45 Ethernet port, users will be able to interact with BD-Live content, watch instant streaming programs from providers such as Netflix or VUDU, playback contents stored on their home network, and keep the BDP-103 up-to-date with firmware releases to ensure maximum Blu-ray compatibility.