official list for the 88DE3100 is:
H.264 High Profile @ Level 4.1, 4.2 and 5; Multiple View Coding
VC-1 Advanced profile @ level 3, WMV9 MP@HL
MPEG-2 MP@HL, MP@ML
MPEG4 SP@L3, ASP@L5, DIVX-HD
VP6/8 SD and HD
RV9/10 (RMVB up to 1080p)
Multiple View Coding? Is that MVC Full 1080P HD 3D Bluray ISO support?
What about networt protocols? Does it support: NFS, Samba, FTP?
Then theres how well developed of their SDKs? Then, how well its all put together by the media player makers.