alienware

Hey Guys... Question for you. I am sick of laptops (own 3).. Im going to buy a PC. What do you guys know about Alienware? Good? Bad? Looking at this one http://www.dell.com/us/p/alienware-aurora-r4/pd.aspx?~ck=anav&~ck=mn Any help here would be helpful. What i want to do with my PC...