A friend of mine just shown me this tricks for vista to boot up faster.
This only work for Multi-Core Processor.
1. Go to Start and Run

2. Type “msconifg” and hit enter

3. In the System Configuration, go to the Boot Tag and chose Advanced options…

4. check on Number of processors:
In my case my desktop has an Intel Q6600 processor with 4 Cores, then i chose booth with 4 processors, Intel Core 2 Duo user should chose 2.. etc..

Check OK and then click apply and reboot your system, it should be a little faster then b4