2.4 or 2.53?

[GeekGirl*]

I have a Air and want to get a 15" MPB refurb, here are the two I am looking at

15.4-inch LED-backlit glossy widescreen display
4GB memory
250GB hard drive
8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
SD card slot
Built-in 7-hour battery
NVIDIA GeForce 9400M graphics
Illuminated keyboard


15.4-inch LED-backlit glossy widescreen display
2GB memory
250GB hard drive
8x SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Built-in iSight camera
Illuminated keyboard



I am ordering tomorrow so please tell me what and why you would buy.

Thanks in advance.

 

[GeekGirl*]

Anyone?