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Just sold my 2010 13" base for $800, probably could have gotten more if I wanted to since there were quite a few people interested but I'm impatient and I had purchased it for a low price. Still better than the equivalent windows laptops I've sold in the past.
 
The large drop in value has probably a lot to do with the fact that Apple moved to the iCore series from the now obsolete core2duo. A few years back when Apple was simply moving from Core2duo to faster Core2duo the drop in value was nominal but its a different story when the update provides twice as much power as the old line.

Same thing happened when Apple moved from PowerPc to Intel.
 
But my maxed out MBA 2010 11" seems to have lost 30% of its value in less than a year... Bummer, that's a big loss if i upgrade to a 2011 model. Do you consider 30% a relatively low loss for a laptop?

The value is in using older models to good effect no matter how many revisions come along trumpeting that you need it. That is, until Uncle Steve decides to overhaul something that makes the older Macs obsolete. Like changes to Power PC, changes to Intel, system software revisions. That stuff forces legions of loyal Mac users to pony up and leave their legacy gear.
 
But my maxed out MBA 2010 11" seems to have lost 30% of its value in less than a year... Bummer, that's a big loss if i upgrade to a 2011 model. Do you consider 30% a relatively low loss for a laptop?

How much would a Dell or an Acer lose in 1 year? I suspect >50%.
 
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