Detailed Product list updated regularly by the product groups
Hot Topics for DST changes in 2007 (includes nice flow chart)
Another site with a detailed product list and guidance on process for DST
As far as the top issues go, I would say the biggest one is the fix for WSS 3.0 which another major University ran into during their rollout.
- Download Update for Windows SharePoint Services 3.0
- KB 888253 How to configure time zone information in Windows SharePoint Services by modifying the Timezone.xml file
- KB 941422 Description of the Windows SharePoint Services 3.0 hot fix package: August 24, 2007
There are also updates for all versions of Windows (including Vista) located at http://support.microsoft.com/kb/933360
Lastly, there is a live meeting being held for customers this Friday, below is the info if you want to include it in the customer email.
A Daylight Savings Time Update LiveMeeting event will be held on Friday, Sept 14th, 2007 @ 9am PST:. Please feel free to attend this meeting to learn more about the DST event for Q3/Q4 2007:
Click the meeting URL: https://www.livemeeting.com/cc/lmevents/join?id=msft091407sa&role=attend&pw=AGT732
if you can’t click the above meeting URL, click the following link: https://www.livemeeting.com/cc/lmevents
When you click on either URL, the Join Meeting page appears. In the following fields, verify or enter this information:
Name: (Enter your first and last name)
Meeting ID: msft091407sa
Meeting Key: AGT732