Just as Apple announced its new Macbook Air and Pro models Monday, owners of the older models are already putting theirs up for sale.
Resale site Gazelle.com reported record sales Monday-and traffic on the site had already doubled Tuesday morning.
Expers say an 11 inch Macbook that cost $999 in 2010 might sell for less than $250-and prices will drop from there.
Many die-hard Apple consumers become impatient and eager to get rid of their older models so they can have cash to pre-order the new ones.
Apple's new Macbooks went on sale Monday.