I've never seen myself using a laptop, but need to get one for work. I need to pick up one strong enough to do CAD and mild graphics, would appreciate a good large screen, and hopefully small enough that I can reasonably pack it up and take it with me every other day or so. Suggestions on brands or the latest features I should look for? I normally go for Dell when purchasing desktops for our small office, but don't know if that's the best for laptops. I'm especially curious about the latest screen sizes and types. Thanks!