Microsoft is having 3 Day Sale - June 18 - June 20 (up to $1000 off computers.. including that Alienware 15"...). Here are some of the listed deals:

Save up to 80% on select Xbox games and accessories
3d Systems Price Drop
Beats June 20th Price Drop
PC One Day Sale - Save up to $700
One Day Only - Free Surface Dock with Any Surface Pro 4
JBL Flip 2 One Day Sale
Lumia 550 for $99 and get a Free T-Mobile Sim Kit
Raspberry Pi One Day Sale Bundle