I installed Windows Vista build 5536 on Friday and I have been blown away. I know everyone's experience, like mileage, varies. However - having installed all the previous builds this is the first one that has me thinking they may make their projected ship date. Here is a report after kicking the tires for four days: The speed is very nice. I have not yet had an instance of Vista just "taking a break" and spinning its wheels for a couple of minutes. Everything I have thrown at it has executed crisply...