Google has many blogs...can you actually have a chance to read all of them?

If Google had also a Google Search blog it would be even more difficult ;-)

I have all english and german blogs in the google reader. There about 20-30 Posts per Day...

Heres a List:
googlewatchblog.de/wiki/google ...

Just use Phil's Pheed that comes up after you click the more link called "Google's Blogs"