Bought it for a project because it has the Thunderbolt port. This is the 2011 model right before the 2012 refresh. Very little use, no scuffs or scratches. Comes with Apple extended keyboard (MB110LL/B) and a RocketFish Thunderbolt to DVI adapter. Specs OS: Upgraded to Mac OS X 10.8 Mountain Lion CPU: 2.3 GHz dual-core Intel i5 Memory: Upgraded to 8GB Video: GPU: Intel HD 3000 Graphics VRAM: 288 MB DDR3 SDRAM (shared with main memory) video out: Thunderbolt with resolution to 2560 x 1600, HDMI with resolution to and 1920 x 1200. Hard Drive: 2.5" 500 GB 5400 rpm Serial ATA [DEL]$500[/DEL] [DEL]$475[/DEL] back up to $500 shipped CONUS [DEL]I will entertain some Amp Head (Aguilar or Orange) and Bass trade offers, run it by me, I might be interested. I prefer Jazz type basses.[/DEL] Will think about a trade for a Walkabout Combo plus cash on my end No hurry to sell Thanks for looking!