Which laptop should I get?

Right now I own my aunt's 6-year-old laptop. And while it still works, the internal battery is dead and will only work while plugged into the wall. We've tried to fix it, but it would be smarter for us to just buy a new laptop. I've looked at Dell, Mac, and others, and I'm just not sure which one would be best for me. I would like one that allows programs such as tumblr to work easily and a model that allows me to have access to a CD-ROM player (yes, I have found some that don't have one.) Something sleek and stylish with a decent-sized screen, good quality, a webcam, will last for a long time, and just a quality laptop in general. Thank you for your answers. (: