Lol , No MS os is perfect after windows 2000.
Saying your 7 is better .
If you ever runed resoarce intensive apps like 3dMAX , MAYA, MangA Studio, AutoCad you might realized 7 is not perfect,
It is a great os for home user but not for professionals.
They asked me to do so . As they are getting twice thrice a month upgraded to windows 10 with out their wanting.
if you ever read few document of russia goverment how? much good things are there inside vista up os , you might got a heart attack.Nothing but NSA bakdoors.
if you ever tweaked , slimdowned , applied tweaks , applied skinpacks like XPTSP you never ever have thought of se7en.
Donot believe me , Try XP on mordern hardware with i3/i5/i7/pentium D then you will see how faster is it.