There are two big events each year for Berkshire Hathaway fans, the Annual General Meeting and the publishing of its year report with the accompanying letter of Warren Buffett. The last event happened yesterday and can be found here: here.
It is rather long (21 pages), a selection of the most important quotes can be found here.
Just a single $100 bill invested in Berkshire Hathaway in 1964 would have turned into $513,055, enough to buy a nice house in the US (especially since the recent crash in housing prices). All capital gains, since the company does not pay a dividend.
The good thing about Warren Buffett and Charlie Munger is that they openly admit their mistakes, something that is vey rare in those (and many other) circles: