> When can I expect this update at the earliest?
Probably within a week or two.
> Is that the ISMA compatibility is only for MPEG-4
> streaming OR it is for all the media types i.e
> MPEG-1 and MPEG-2 also?.
MPEG-1 and MPEG-2 RTP streams are already supported. See
<http://www.live.com/mplayer/>
Ross.