iMac 21.5" 3.06Gz, 12Gb of Ram, 500 HD, + software in Houston, TX

Very nice iMac for sale or (I prefer trade)!! 100% functional, not problem, work fast
3.06 Gz with 12 Gb of Ram, 500 Hard Drive.... minor scratches for normal use, and one minor hit on right corner !! but still !!!!!! very good looking !!!!!!!.
no dead pixels !
it comes with Lion 10.7.2, Aperture, Adobe lightroom 3, final cut Pro,
Crystal clear interfase for theme change!! pixelmator 2, and more for photography lovers!
Not come with original box or manuals (sorry)
it comes only with keyboard and Microsoft mouse(wireless).
this model was discontinued in 2010 !
I want to trade for Macbook Pro 13" or 15" 2010 and up... if there is any diference, I will give cash to you( no more than $300) , I want to trade or sell this iMac because I need a laptop!!!!!