250gb Is How Many Hours Of Video Can You Please Just Think And Tell Me How Much This Laptop Is Worth.?

Can you please just think and tell me how much this laptop is worth.? - 250gb is how many hours of video

The laptop is in good condition with some scratches
The specifications are as follows:
Display 15 "XGA Screen Saver
Intel Celeron M 1.86 GHz
4 GB DDR2 800MHz RAM (2x2GB)
Intel GMA 950 Graphics Card 224MB
250 GB 8 MB cache hard drive 5400
Firewire
Infrared
Bluetooth Dongle
Dell Charger
Dell original CD
Dell Windows XP Home Edition Service Pack 3 and installed the included CD
Conexant Modem
PCMCIA slot
CD / DVD / RW DVD Recorder
SerialPort
S-Video
4 USB 2.0 ports
Brand new keyboard, screen, memory, CMOS battery and 6 cell battery
Flashed BIOS to the latest version
the laptop is very stable and fast with 4 GB of RAM.
A sound card, microphone, wireless, modem and Ethernet.
6-cell BattFYR 6 hours
Alps Touchpad
SigmaTel High Definition Audio speakers.
Please take the time to answer my question
I hope to get many answers to my question
No problems with the laptop.it works 100% perfectly.