Hi there! Welcome to the CE forums
No doubt that google did a great job with keyhole. Google is still #1 in search engines and their search index is way better than MSN or Yahoo.
But wait! Big daddy isn't sleeping. Infact, MS is heavy on improving its search engine and they are determined to develop a search engine that (thay say) will put google to shame. Even on our CrazyEngineers website, the MSN bot spends more time than Yahoo Slurp Spider or Googlebot.
Have a look at this -
"Google has no clue about what enterprises want or need. Any success they have (with Google Spreadsheets) will come in the consumer market first and then be dragged into the enterprise that way," said Gartner analyst David Smith. "The real power-users are not going to be giving up their Excel spreadsheets anytime soon."
Btw, here's the link to Writely ->
www.writely.com
-The Big K-