I recently bought an ASUS notebook with the following specs:
Windows 7 Home Premium
Intel Core i5 - 2.27GHz
RAM: 4.00 GB
nVidia Graphics card details:
DirectX version: 11.0
GPU processor: GeForce GT 325M
Driver version: 266.58
DirectX support: 10.1
CUDA Cores: 48
Core clock: 450 MHz
Shader clock: 990 MHz
Memory clock: 700 MHz (1400 MHz data rate)
Memory interface: 128-bit
Total available graphics memory: 2710 MB
Dedicated video memory: 1024 MB DDR3
System video memory: 0 MB
Shared system memory: 1686 MB
Video BIOS version: 70.16.58.00.FE
Bus: PCI Express x16
I also downloaded the trial for AE CS5, and I tried to edit a full DVD movie rip, and it was really laggy even with just previewing the video.
I then uninstalled it straight away, stupidly.
The Student and Teacher Edition is going really cheap, and I would like to know if I will even be able to edit anything without terrible lag.
My laptop also uses Optimus technology, which means it has TWO graphics components: An Intel chipset, and the nVidia graphics card.
I think I was running AE with the integrated chipset and not the graphics card. I can choose which one will run AE.
It sounds like you need an editing app - AE is a compositing/animation/effects program. For editing you need Premiere Pro or similar. Also, AE will preview your footage by rendering it and playing from RAM, so no direct playback and dependency on the amount of RAM and resolution you want the footage previewed at.