Video Format Problem for Sony

[Roadstr]

Can anyone confirm that these are the only formats that the X will play? It looks like a really sweet player, but there's nothing sweet about encoding for hours. YouTubes video's do not follow these formats strictly, do they? By that I mean heights and widths vary considerable on YouTube, yet the X plays them... umm, maybe not?
This is a show stopper...pardon the pun!

Video Formats (Codec) :
AVC(H.264/AVC) : Media file format: MP4, "Memory Stick" video format
File extension: .mp4, .m4v
Profile: Baseline Profile
Level: up to 1.3
Bit rate: up to 768 kbps
Frame rate: up to 30 fps
Resolution: up to QVGA (320 x 240)
MPEG-4 :
Media file format: MP4, "Memory Stick" video format
File extension: .mp4, .m4v
Profile: Simple Profile
Bit rate: up to 2,500 kbps
Frame rate : up to 30 fps
Resolution: up to QVGA (320 x 240)
Windows Media Video 9 :
Media file format: ASF
File extension: .wmv
Profile: VC1 simple profile, main profile
Bit rate: Simple: max. 1700 kbps,
Main: max. 5000 kbps
Frame rate: up to 30 fps
Resolution: Simple: up to 480 x 270,
Main: up to QVGA (320 x 240)

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