expansive ler... might buy the ferrari wan... good ah that model? i wan it full black ler...
deedee,
Since you're going to do CAD, I think it's better for you to get a minimum of a dual core processor with dedicated graphics processor. For example, an AMD or Intel dual core with Nvidia graphics chip with at least 128MB or 256MB of RAM (graphics RAM). Put in also at least 1GB of system RAM. I think that'll be a good start up.
The Toshiba Qosmio series looks good to go.
Another indicator that the oil needs to be changed is by looking at the color of the oil. Use the dipstick to find out both the level and...