Before today, you would have needed to spend a minimum of roughly $1,700 for one of Dell’s Alienware laptops (though, Dell’s revolving discounts mean you’d likely pay less than this figure). With the arrival of the Alienware 15, the price of entry has dropped to $1,300. Of course, you’ll need to accept a few tradeoffs to hit this lower price, but the Alienware lineup has expanded downward to attract more gamers — specifically, those who find themselves on tighter budgets in this era of supply shortages and rising prices. Dell has also announced two mainstream laptops today in the Dell…