Which one should I buy for $2000? Need your help

[dragonjinse]

1. Retina 15"
2.6, i7, 512 SSD, 8GB
2012 model with Samsung display
Used: 1 battery cycle
No scratches/dings
No AppleCare
$2000

2. Retina 15"
2.6, i7, 512 SSD, 8GB
Used w/ light scratches
Dont know how many battery cycles
2012 model, doesn't know what type of screen
No AppleCare, come with 1 year Apple warranty
$1874

3. Retina 15"
2.6, i7, 512SSD, 8GB
New
2012 model
No applecare
Come with Parallel Windows 7
$2100

4. Macbook pro 15" anti glare
2.5, i7, 1TB, 16GB
2012 model
Used with 80 battery cycles
Come with 3 years AppleCare
& Microsoft office
$1700


Which one i should get? Im using for school, watching movies.. Basic internet surfing