HP Pavilion dv7-4070us comes with these spec:
Operating system
Genuine Windows(R) 7 Home Premium 64-bit
Memory
4 GB DDR3 (2 x 2048 MB)

Samsung R430 laptop comes with these spec:
Processor:
Intel(R) Core™2 Duo
Processor Speed:
2.2GHz

Toshiba Satellite L635-S3020 LED TruBrite comes with these spec:
Processor
Intel(R) Core™ i5-450M processor
Memory
2GB memory

Acer Aspire Timeline AS5810TZ-4274 comes with these spec:
Operating System
Windows Vista Home Premium
Memory Size
3GB DDR3

Toshiba Satellite T115D-S1120 LED TruBrite comes with these spec:
Processor
Athlon Neo 1.6 GHz
Hard Drive
250 GB Serial ATA, 5400 RPM