Soldato
Definitely wait if you have a Surface 2. Although the Surface Pro3 we have at work updated ok, Windows 10 destroyed battery life on my Surface Pro 2. Even after finishing index tasks etc and turning off all background apps it would drain the battery in a day where 8.1 would sit on standby all week and still have a charge left. I rolled it back
http://forums.overclockers.co.uk/showpost.php?p=28393248&postcount=2875