The Reg is particularly taken with number 0570, a heartfelt ten page letter from Jim Cannavino of IBM to Bill Gates. This sheds much light on the difficulties OS/2 was in by November 1989, and on the breach between IBM and Microsoft. This one incidentally, is stamped Defendant's Exhibit, so we're not sure what it's doing in the plaintiff folder.
Entire article can be found here.
Source: The Register