i dont see much difference except different placement of where things are in the menu
wont be much help in a preveiw as its a preveiw and no1 knows the outcome of an unfinished os
this is why only now are they working on updates to 10
with the right knowhow you can make windows 10 start menu look like the one you showed us though,although i saw minimal change
if im not mistaken the settings menu alone has a turn on off feature for some if not all the things in the startmenu alone just a click off and it can be cleaned up to how you like
perhaps there is a purpose you want the server for but i honestly dont see it.i thought those are mainly for commercial advantages
i may be a windows fanboy somewhat but eh ive beta windows 10 and its full now and honestly i think its the best os,once you learn how to do things.it does come with a get started guide.you can start from there or forum suggestions
deskscapes works in 10,if you dont use task view button or command for now.thats the best insight i can give you