XPS 15 vs Precision 5520

I've been putting off replacing my 4 year old (maybe 5?) Alienware M17x behemoth for a long time, but it is crashing fairly frequently on me and just showing a lot of signs of age. I want to replace this super heavy, huge, 1 hour battery life desktop replacement with a very thin, very portable, very long battery life notebook. Due to the amateur video editing I do with Cyberlink Powerdirector (mostly) and sometimes Adobe Premiere Elements I need a quad core CPU, and that really narrows down...

XPS 15 vs Precision 5520

XPS 15 vs Precision 5520

XPS 15 vs Precision 5520

I've been putting off replacing my 4 year old (maybe 5?) Alienware M17x behemoth for a long time, but it is crashing fairly frequently on me and just showing a lot of signs of age. I want to replace this super heavy, huge, 1 hour battery life desktop replacement with a very thin, very portable, very long battery life notebook. Due to the amateur video editing I do with Cyberlink Powerdirector (mostly) and sometimes Adobe Premiere Elements I need a quad core CPU, and that really narrows down...

XPS 15 vs Precision 5520

XPS 15 vs Precision 5520

XPS 15 vs Precision 5520

I've been putting off replacing my 4 year old (maybe 5?) Alienware M17x behemoth for a long time, but it is crashing fairly frequently on me and just showing a lot of signs of age. I want to replace this super heavy, huge, 1 hour battery life desktop replacement with a very thin, very portable, very long battery life notebook. Due to the amateur video editing I do with Cyberlink Powerdirector (mostly) and sometimes Adobe Premiere Elements I need a quad core CPU, and that really narrows down...

XPS 15 vs Precision 5520

XPS 15 vs Precision 5520