Thanks to all of your comments.
Sorry for my late message.
@ Nuno
I don't really know exactly when it comes but surely in the first quarter of 2012.
Some new features are introduced in some websites as..
Ribbon Interface of IE9.
Portable Worspace Creator
PDF Reader(Modern Reader)
Grid Logon screen
Gesture controls
Touch screen keyboard
Curson effects
immersive browser
TaskManager
Hybrid Boot
.....
I don't know how to hack these features as I'm just tested for portable W8.
@crashnburn
Boot time will be very fast if you'll use Hybrid Boot feature.
Usage or access data rate is very fast, more than Win 7.
@gael043
If you see the first screenshot, you'll understand about it.
As a beta, MS did not include many features, I think.
And I found some errors when I change my keyboard setting that I can't change it.
Fira disk can't be installed in this version, at least for me.
Very annoying is that, can't delete Application hidden folder in Program Files, I think something related with error reports to MS sites or Help.
I'm sure W8 will grow up including cloud + W7 mobile features(touch screen) this time.
Regards.
ah