I've been very quiet here for a long time, simply because I have had no need to be on here and no issues with my 2014 surface Pro i7 However... as I have just become a student again, the potential discoutns at the Microsoft store are tempting. I was wondering if I could/should update my Surface to one of the newer models for quieter running (mine is a bit of a fan -blower... not a problem just a little bit embarrasing in quiet places) and longer battery life. I was wondering about the performance of the newer i5 vs the older haswel i7 in my Pro 3... is it an upgrade in performance? Just curious really - I feel like I'm being unfaithful to my Pro 3 as really there's nothing at all wrong with it, it's still the best computer I ever owned!!