HELP!! This chick needs help finding a Gaming laptop that is also portable

Hi there this is my first post, so PLEASE AS MANY PEOPLES OPINIONS AS POSSIBLE WILL BE GREATLY appreciated....

-Im really trying to get a laptop thats around 500-800 at most
-I Want a Gaming laptop that I can also carry around to classes because I use my laptop everyday in college, but Im tired of having to replace my laptop every year or so so I want something good that wont be out of date in 2 years but
- I dont want it to be super heavy because i need to lug it around in my backpack

Heres what im thinking of please tell me which one or ones you think I should consider--->


1) Samsung - 15.6" Geek Squad Certified Refurbished Laptop - 8GB Memory - 1TB Hard Drive - Titan Silver
http/www.bestbuy.com/site/15.6%22+Geek+Squad+Certified+Refurbished+Laptop+-+8GB+Memory+-+1TB+Hard+Drive/8342067.p?id=1218873334715&skuId=8342067&st=NP700Z5C&cp=1&lp=1

3rd Gen Intel® Core™ i7-3635QM processor- 6MB L3 cache. 2.4GHz processor speed.Turbo Boost=3.2GHz.
8GB DDR3 memory
Multiformat DVD±RW/CD-RW drive with double-layer support Records up to 8.5GB of data or 4 hours of video using compatible DVD+R DL and DVD-R DL media.
15.6" LED high-definition widescreen display
1TB Serial ATA II hard drive (5400 rpm)
NVIDIA GeForce GT 640M graphics
Built-in 1.3MP high-definition webcam and microphone
Weighs 5.3 lbs.

2) ASUS N56DP-DH11 15.6" Laptop Computer - Black $529

http/www.microcenter.com/product/401594/N56DP-DH11_156_Laptop_Computer_-_Black#
AMD A10-4600M Quad-Core Processor
Microsoft Windows 8 (64-bit)
8GB DDR3-1600 RAM
1TB 5,400RPM Hard Drive
8x Super Multi Double Layer Drive
Memory Card Reader
AMD Radeon HD 7730M
10/100/1000 Network
802.11b/g/n Wireless
Bluetooth 4.0
15.6" LED-backlit TFT LCD Display

3) MSI G Series GE60 0ND-667US General $929
http/www.newegg.com/Product/Produ...E16834152393&gclid=CIvyyo3r4rkCFZKk4AodDQwAtw
MSI G Series GE60 0ND-667US Reviews
Color Black/Red
Operating System Windows 7 Home Premium 64-Bit
CPU Type Intel Core i5-Core i5-3230M 2.6GHz
Screen 15.6"
Memory Size 8GB DDR3
Hard Disk 750GB
Optical Drive BD-ROM
Graphics Card NVIDIA Geforce GTX 660M
Video Memory 2GB GDDR5
Communication Killer Gaming Network
Dimensions 15.09" x 9.83" x 1.27"-1.46"
Weight 5.28 lbs.

4) Lenovo IdeaPad Y500 (59359560) Windows 8 $819
http/www.newegg.com/Product/Product.aspx?Item=N82E16834312438

Intel Core i5 3230M(2.60GHz)
6GB Memory 1TB HDD
Dual NVIDIA GeForce GT 650M SLI
1920 x 1080
Windows 8
6.4lbs


5) MSI CX61 0NF-258US 15.6 Notebook $699
http/www.amazon.com/MSI-0NF-258US-Notebook-i7-3630QM-GeForce/dp/B00BQMGVC2/ref=sr_1_19?s=pc&ie=UTF8&qid=1379986441&sr=1-19&keywords=MSI


15.6" HD Display (16:9; 1366 x 768)
Intel Core i7-3630QM 2.4GHz
6GB DDR3,750GB HDD, DVD Super Multi
NVIDIA GeForce GT 645M
Windows 8 Brown


THANK YOU FOR ANYONE WHO GIVES ME ANY ADVICE, but so far I think #2 is the cheapest and it seems like the best DEAL but not the best laptop, but please the more advice the better. i dont like to make uneducated purchases.