Ical misinterprets timezone in entourage meeting requests

hi
my timezone is GMT+8 and is set as such in Date & Time (10.4.7). I have Timezone support on in ICal Version 2.0.3 (1058). I also set the current timezone to asia/Singapore in ical. Meeting requests sent to me from Entourage which are also set to GMT + 8 turn up 8 hours late. The same meeting request however turns up at the correct time in outlook.
I have included an example meeting request for reference:
--B3242205558761762
Content-Type: text/calendar;method=REQUEST;
charset="US-ASCII";name="meeting.ics"
Content-transfer-encoding: 7bit
BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Microsoft Corporation//Entourage Mac 11.0 MIMEDIR//EN
METHOD:REQUEST
BEGIN:VTIMEZONE
TZID:Kuala Lumpur, Singapore
X-ENTOURAGE-TZID:40
X-ENTOURAGE-CFTIMEZONE:Asia/Singapore
BEGIN:STANDARD
TZNAME:Standard Time
TZOFFSETFROM:+0800
TZOFFSETTO:+0800
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:F3A0C9FC-4DCF-11DB-BE7A-0016CB8D7BAA
X-ENTOURAGE_UUID:F3A0C9FC-4DCF-11DB-BE7A-0016CB8D7BAA
DTSTAMP:20060927T043900Z
DTSTART;TZID="Kuala Lumpur, Singapore":20061004T093000
DTEND;TZID="Kuala Lumpur, Singapore":20061004T110000
LAST-MODIFIED:20060927T043900Z
SUMMARY:......
LOCATION:E1-5G
ORGANIZER:MAILTO:....
SEQUENCE:2
ATTENDEE;ROLE=REQ-PARTICIPANT;RSVP=TRUE;CN="...
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
X-MICROSOFT-CDO-INSTTYPE:0
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:REMINDER
TRIGGER;RELATED=START:-PT00H15M00S
END:VALARM
END:VEVENT
END:VCALENDAR
dual 1 GHz MD G4, 1.5 GIG RAM, 2T storage Mac OS X (10.4.7) Tascam 1884, cannopus advc110

Hi- this did not help.
I also have another example from Microsoft CDO for Microsoft Exchange. Still the same probelm- the alarm appears 8 hours late, despite the timezone being correct on both the sender's and receiver's machines.
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:Microsoft CDO for Microsoft Exchange
VERSION:2.0
BEGIN:VTIMEZONE
TZID:(GMT+08.00) Kuala Lumpur/Singapore
X-MICROSOFT-CDO-TZID:21
BEGIN:STANDARD
DTSTART:16010101T000000
TZOFFSETFROM:+0800
TZOFFSETTO:+0800
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:16010101T000000
TZOFFSETFROM:+0800
TZOFFSETTO:+0800
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20060928T065546Z
DTSTART;TZID="(GMT+08.00) Kuala Lumpur/Singapore":20061003T103000
SUMMARY:T204 ,,,,....
UID:040000008200E00074C5B7101A82E00800000000A022A12D0EE3C601000000000000000
ORGANIZER;CN="...
LOCATION:...
DTEND;TZID="(GMT+08.00) Kuala Lumpur/Singapore":20061003T133000
DESCRIPTION:\N
SEQUENCE:0
PRIORITY:5
CLASS:
CREATED:20060928T065557Z
LAST-MODIFIED:20060928T065558Z
STATUS:CONFIRMED
TRANSP:OPAQUE
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
X-MICROSOFT-CDO-INSTTYPE:0
X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
X-MICROSOFT-CDO-IMPORTANCE:1
X-MICROSOFT-CDO-OWNERAPPTID:-1543727146
X-MICROSOFT-CDO-APPT-SEQUENCE:0
X-MICROSOFT-CDO-ATTENDEE-CRITICAL-CHANGE:20060928T065546Z
X-MICROSOFT-CDO-OWNER-CRITICAL-CHANGE:20060928T065546Z
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:REMINDER
TRIGGER;RELATED=START:-PT00H15M00S
END:VALARM
END:VEVENT
END:VCALENDAR

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As we are wanting to move Mac users away fro Entourage we are motivated to resolve this issue.
when an iCal meeting request is sent to an Outlook recipient, they receieve an email with 2 empty attachments, and a note that states that to accept this meeting, they must click on the link below; although, there is NO link for the user to click on.
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Ical misinterprets timezone in entourage meeting requests

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