i had the same feelings until today! i decided to try dragging the sidebar panel from the left to the bottom and to my surprise it actually moved!

the windows have much more horizontal space now and the keys on the keyboard don't overlap. i think it might actually be faster for stylus typing because you don't have to move the stylus so far to reach different keys. the only problem is the tasklist in the panel is mucked up(still tries to display the running programs vertically).. i prefer using the home button anyway (even though in this orientation half of it is displayed offscreen).

i've attached a screenshot