You might want to check out the Lenovo y510p, it is pretty decent for the money.
http://shop.lenovo.com/us/en/laptops/le ... ies/y510p/
Vs HP
755m vs 740
vga+hdmi vs just hdmi out
same processors
The razer blade is a little more portable with a 14" screen, but since it has a 3200*1800 resolution on the built in screen you are wasting some of your gpu to push more pixels on the control screen, which doesn't seem worth it to me. It also appears to only have 1 hdmi out.
The origin pc can be pretty well tricked out to be whatever you can dream/afford which is cool. It also has hdmi and displayport 1.2 AND mini displayport, so with some dongles you could output whatever you need. But I know the machine I'd want to build from them would end up being >$2400 with the ssd, so you have to be willing to dig deep in those pockets.
Which ever way you choose, I'd strongly recommend that you leave room in the budget for a SSD, Samsung Evo 840 512gig or similar. I'll try to use the resolume benchmark on my y510 sometime here and I'll let you know the result, but it won't be for a couple days. Good luck.
