> "Even 4gb of memory is fine", "even 720p is fine", "even 2ghz CPU is fine", "even a membrane keyboard is fine", "even USB 2.0 is fine", "even 2 hours battery life is fine"...

No these things aren't. 60 hz is fine though. What does it matter that it's "old"? It matters whether it's functional.

I for one prefer battery life over refresh frequency and will always choose 60 hz when available.