I currently own a early 2015 macbook with 1.3 ghz and 8gb of ram. It gets the job done... although the experience isnt that smooth when changing spaces (which bothers me...) The things I do on my laptop are rather basic: iTunes, browsing the web, pages and keynote... I want these tasks to run as smooth as possible... Since I am a student I value the portability of the 13' model over the extra screen real estate of the 15'... So I went ahead and ordered the 13' with i7 and 16gb of ram... with student discount I ended up paying 2'400 bugs (Switzerland). The thing is the entry level 15' is just 100 bugs more and I feel incredibly stupid paying so much money for a 13' dual core notebook... should I cancel my order? Looking at benchmarks, the dual core i7 seems only 20-30% faster then my core m (really?)... and the quad core from the 15' seems to play in a different league... will this be noticable in basic tasks? Any suggestions?