15" advantages: ~ SD card slot ~ 1050p screen

problems stemming from the advantages:

~ No room for expresscard slot ~ tasting 1080p, but not there

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17" advantages:

~ Large 1080p screen ~ expresscard slot

problems stemming from the advantages:

~ no Blu-ray for 1080p content ~ large, heavy

========== ==========

buying the most expensive 15" for the graphics

upgrading to the 1050p screen on 15"

upgrading to the 7200 rpm hard drive on both

upgrading to the anti-glare on both

~~Same Price~~

I want it to last a long time in terms of technology, if I am paying this much (USB 3.0--expresscard, fast processors, etc.)

~~~Which one should I get?~~~