My i7 870 Idles at 45C on the pathetic noisy stock air cooler.
The office user interface is just like your windows computer user interface, on a surface RT is just pisses off metro for a while and shows it's normal windows 8.1 look off.
You could use it touch...
I've had mine for three or so years.
Only issue as it's transported alot the cord sheath has freyed. but it shouldn't be a hard fix later on when it breaks off.
one of the small membrane parts...
I never authorized a subscription, all I did was signup for the free offer.