budget?
Good graphic always contradict battery life...
I'd buy a Dell if I were you. They're great for business, and have great virus protection.
If I were you. I would go with a Macbook Pro. If you can stretch your budget another $100 you can get the 15" model with Core i5 and Nvidia GT330 with the education discount. For design, the Macbook Pro is almost always the way to go. It will last you far longer than any Windows laptop just because Mac OS X does a far better job of managing resources than Windows. Also the selection of design and graphics software is great.
In essence that's about the only laptop with powerful graphics and CPU with good battery life. 8-9 hours battery is amazing. Even doing intensive work you will still get 6 hours at least.
The i5 is dual core. Yeah, it can, but it depends what you're doing. No matter what you're doing you can get at least 6-7 hours out of it. The way they do it is switching between integrated and the GT330 based on how hard the machine is working. If you're just surfing the web and on a messenger, it will turn off the GT 330 and use the onboard video. If you open Photoshop and start working it turns off the integrated video and uses the GT 330. It's also down to Apple's specially designed 8 cell battery.damn! that sounds good, is the i5 a dual or quad core? and does it really last up to 9 hours?!?! with a gt330>?
The i5 is dual core. Yeah, it can, but it depends what you're doing. No matter what you're doing you can get at least 6-7 hours out of it. The way they do it is switching between integrated and the GT330 based on how hard the machine is working. If you're just surfing the web and on a messenger, it will turn off the GT 330 and use the onboard video. If you open Photoshop and start working it turns off the integrated video and uses the GT 330. It's also down to Apple's specially designed 8 cell battery.
Have a read here for more info: http://www.apple.com/macbookpro/battery/