or get a dell xps 18 portable desktop with 18.4 screen is a full computer
that can be a tablet. i have the i3 4g ram 1 tb hard drive and it runs hero lab well and it was only $799 instead of the $2k 3 pro one.
it lasted around 4 hrs on battery the first night i used it at my game.
http://www.dell.com/us/p/xps-18-1820-aio/pd?~ck=mn
as another option