may get a new laptop- need help

[cillia]

I'm going to either keep it as windows 7 or install Ubuntu on it once i get it.

i selected these options for a laptop but im not sure if they are good choices ^^;; ill be using my laptop for mostly video editing and image editing... and the graphics card must be really good.. :x and it should run fast.

the current laptop i have can barely view youtube videos...
anyway:

Operating system Genuine Windows 7 Home Premium 64-bit
Processor Intel(R) Pentium(R) Dual-Core Mobile Processor T4400 (2.2 GHz, 1MB L2 Cache, 800MHz FSB)
Memory 4GB DDR2 System Memory (2 Dimm)
Hard drive FREE Upgrade to 250GB 5400RPM SATA Hard Drive from 160GB 5400RPM SATA Hard Drive
Graphics card Intel(R) Graphics Media Accelerator 4500M - For Celeron and Pentium Processors
Display 15.6" diagonal High Definition HP Brightview Display (1366x768)
Primary optical drive LightScribe SuperMulti 8X DVD+/-RW with Double Layer Support
Personalization Microphone Only
Networking Wireless-G Card
Keyboard HP Color Matching Keyboard
Primary battery 6 Cell Lithium Ion Battery
Productivity software Microsoft(R) Works 9.0

o.e; that laptop is $582.98
idk the normal price for laptops now days :x