A few days ago the rumors of Mozilla becoming a base for Google's browser were strengthed a bit as the news came that google now owns the domain gbrowser.com.

Quoting " ... These rumours have been fuelled by a number of high-profile hires that Google has made, including various people who worked on Microsoft Internet Explorer, added to the fact that Google Inc. has registered the domain name gbrowser.com. ..."

This could be a serious blow for Microsoft who is already facing the threat from growth of the browsers like Firefox, Opera, Safari, etc.