The WEI is a pretty useless indicator, but those figures are nice. Don't worry about the 5.9 score for the boot disk. That is the maximum score one can get with the WEI and conventional disks anyway. Your temps are good as well. Your next step is overclocking if you want. Adobe Forums: Overclocking the i7, a beginners guide
You have to run the WEI test differently to achieve results like this:
From the command line, then you can test for other drives than C:.
For instance to test for drive E: you enter from the CMD prompt:
C:\path> Winsat disk -drive E:
Entering Winsat ? gives you all the command line options.
afther use the cmd I get this:
PATH=DISK DRIVE F:
But still the same. 5.9