Are you looking for a desktop replacement? If not, why bother with the cd recorder and all that shit. Just put it on your desktop system.
Are you looking for something extremely light and portable? The new Toshiba Protege is super fucking light.
How about battery life? Longer battery requires a heavier laptop.
Do you want everything integrated or do you want plug in DVD/CD/Floppy which will cut down on transportation weight?
Do you want a big screen? Are you willing to go with a smaller screen to save on weight?
Are you planning on playing games? If so, you'll need something with a decent amount of video memory.
Are you storing a lot of big files like Mp3's? If not, why would you need a 10GB harddrive?
If your just doing word processing, why do you need a P3 750?
Lastly, if your still poor and sucking dick on the corner for spare change, why are you buying a laptop? Why not just make due with what you have or buy a used one?