The long-awaited rules update is up. This is the a comprehensive revision and I have cleaned things up from top to bottom, eliminating some of the quirky mechanics and checking the cross-references.
In terms of game play, the game is pretty much the same; that is to say most people won't notice the difference because many of the edits were things people tended to gloss over (unless they were really nit-picky).
Perhaps the biggest change - and it is a change - is that the procedure for duels is clarified and the rules for monsters are also cleaned up. There are also a host of minor edits that in the aggregate make for a cleaner design.
The best way to describe it is that nothing big was changed, but lots of little things got fixed. Enjoy!