SDD for MBP 2010 3GBit or 6GBit Speed Differnece

[Apple Geek]

Intel SSD 320 120GB sata3 or other sata 6 drives?
now there is a deal that i am interested in intel SSD 320 sata 2 120GB
270 read
130 write speed (price 150 euro) + free Battlefield 3 game !!!!

or get a OCZ agility 3 sata 6 120GB
500
500 read & write speed (price around 150)+ NO GAME but its faster !

what would you get i am lost please help me
oh i have a macbook pro 15' mid 2010

spec:
Vendor: Intel
Product: 5 Series Chipset
Link Speed: 3 Gigabit
Negotiated Link Speed: 1.5 Gigabit
Description: AHCI Version 1.30 Supported

 

[alust2013]

Considering your computer, it would be a waste to get a 6Gb/s drive, since your computer can only handle 3.