When buying refurb, buy Core i* where * is 7 > 5 > 3 but even the i3 is OK.
Avoid paying for: Anything Pentium, Atom, 32 bit, DDR2, AMD dual core, just too old/slow/hot. (If you already own it, though, by all means continue to flog it! Preferably with Linux!)
Avoid paying for: Anything Pentium, Atom, 32 bit, DDR2, AMD dual core, just too old/slow/hot. (If you already own it, though, by all means continue to flog it! Preferably with Linux!)