what is the height of the new Tab 360

As noted in a 'like named' thread.
No one Knows For Sure as nüCamp has only released information on the pre-production units that were built.  Final specifications should be released soon.

That said, based on the available information the 360 will most likely be ~ 3-inches lower in overall height than a 400.

360 appears to have same boondock axle and wheels as the 400 and will have less headroom than a 400 so simple math suggests the 360 overall height at 8'8" :