6 mo. is an eternity in the PC world...prices drop and new and improved rolls out. Not to mention the inability to return defective parts. Why not put off assembling and ordering until you get back? You will be living off of your laptop anyway for the next 6 mo. --- might as well make it 7. Just my advice.
As for your list it looks fine except I don't particularly like Rosewill PSUs and you don't have a ODD if you wanted one or an OS.
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