Dell Home currently offers extra $80 coupon code: ?SWK4RL9BTX1MD (which stacks on top of instant savings) on most Laptops and Desktops over $899 (including Alienware). Free shipping on each. Listed below are some of the deals:

Laptops
13.3" XPS 13 Ultrabook starting $919.99
12.5" XPS 12 Convertible 1080p Tablet starting $1,019.99
15.6" Inspiron 15R Special Edition 1080p Core i7 Laptop with 2GB Radeon HD 7730M starting $969.99
17.3" Inspiron 17R Special Edition 1080p Core i7 Laptop with 2GB GeForce GT 650M starting $919.99
14" Inspiron 14z Core i7 Ultrabook $819.99
15.6" XPS 15 1080p Ultrabook starting $1,219.99

All-in-one PCs
27" XPS ONE 27 2560x1440 All-in-one PC starting $1,319.99
23" Inspiron ONE 2330 Core i3 All-in-one PC $819.99

Alienware
14" Alienware M14x Gaming Laptop starting $869
17.3" Alienware M17x Gaming Laptop starting $1,344
Alienware X51 Core i7 mini Gaming PC w/ GeForce GTX 660 $994