I thinkshould replace my mac mini with a nMP.
I agree....
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I also have seen horizontal lines on my late 2013 MBA
Found a ruler, I have too now. Now checking rMBP specs.....
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To go with the other posters, I can't see why you feel entitled to an upgraded model. When my Civic has issues, even many of them, Honda is only obligated to repair them, not give me an Accord for no additional charge...
Nor to upgrade RAM and CPU, aka wide tyres and engine size.
OP wants a free upgrade and extra RAM/CPU. Issues happen, thats involves inconvenience, but a free upgrade Mac then component upgrade on the MBP as well? Fuel and parking voucher too??