There's a post about the impact of the Yahoo!/Zimbra acquisition on Zimbra's channel partners: blog.01.com/?p=325

Also, Google Apps versus Zimbra Hosting:

faqs.01.com/#33

i smell a "Web Office Wars" coming over the horizon.... a battle between Yahoo, Zoho, Google & the infamous Microsoft.

Let the betting begin!

Which way SalesForce is headed to?

Zimbra has a very nice module to interact with SalesForce!

If Google buys SalesForce (techcrunch.com/2007/06/04/sale ...), will the integration continue?

With buying Zimbra, Yahoo! is directly attacking Gmail and Microsoft Exchange.

messaging and collaboration client = Outlook

messaging and collaboration server = Exchange

Imagine a Yahoo! Mail client. This might be a real competitor to Gmail.