Dell XPS 14z
via VentureBeat
The Dell XPS 14z features a 14-inch screen, HDMI, Ethernet, Nvidia GeForce GT 520M, Intel Core i5 or Core i7 processor, 500 GB HDD, 6 GB RAM, and Windows 7 Home Premium.
xps
Dell XPS 15z
via CrunchGear
The Dell XPS 15z features a 15.6-inch full HD 1080p display, back-lit keyboard, NVIDIA graphics with 3DTV, Optimus technology, optical DVD drive, up to 8GB RAM, 2 USB 3.0 ports, USB/eSATA, HDMI 1.4, mini display-port, nine-in-one card reader, 1.3MP webcam, Bluetooth and Wi-Fi.
Dell Studio XPS 435
The base model Dell Studio XPS 435 features a 2.66GHz Core i7-920 processor, 3GB of RAM and an ATI Radeon HD 3650 256MB graphics card. The machine of course can be configured to your liking.
Source: Engadget