Good Gaming Laptops?

I've been trying to decide rather i should build my gaming PC or buy a gaming laptop.

Ive been really in the mood for gaming laptops lately and would gladly buy one if they were fully customizable like a desktop.

I would love a laptop that could run Skyrim with ENB mods, DayZ, Witcher 3 and all the other high end games that may release in the future.

Anyone know a really good Gaming laptop that could play pretty much anything on high or ultra, and is fully customizable for whenever the time comes for me to upgrade it?

I would get a tower but i love the feeling of being able to game in bed lol
And i was going to build a tower for $1,600 if you could find a laptop thats good around that price then ill look into it
But i dont necessarily need the portability of a laptop

I would caution you to weigh the pros and cons of a tower vs laptop. The difference in performance vs price is very different and often, if not always, a tower will out perform a laptop in the same price range because a laptop has to sacrifice performance for space and portability. I got a gaming laptop a year ago (specifically the lenovo y510p) because I went over to game at a friends house sometimes and enjoyed gaming on my couch. A year later I realized that the laptop isn't cutting it in performance and I no longer need portability. Also long gaming sessions on a couch isn't the best for a back. I feel you would be able to get much better performance in those games by buying a $1600 tower (That's actually the budget for the tower i'm building now!) rather than a laptop though if you don't mind sacrificing that for some bed gaming, I understand (it is quite comfortable)

Im interested in the Alienware 15 or 17. Ive seen nothing but good reviews on it and it seems to play every game maxed out at 60fps or more.

What do you guys think? Im a sucker for laptops lol