Today at 10AM PST Microsoft had a chat about the Microsoft Vista and IE7 Betas for all Beta Testers to attend. We were able to get our hands on the transcript ahead of the Microsoft release. There are some interesting questions and topics, including discussion about a Download Manager, a Beta 1 Refresh package, and international domain support.

Also, here is a quick note about Windows XP SP3 and IE7 integration:

Q: will IE7 be included in XP SP3?

Anurag Jain [MSFT] (Expert)
A: Our current plan is to continue to ship IE6 on XPSP3, but IE7 will be supported on XPSP3.

Source: TheHotfix