They're not the only ones - another laptop company is also offering a laptop with SLI'd 7800GTXs and a 19" (!

!) screen
It's a huge beast:
Operating system
Microsoft® Windows® XP Media Center Edition 2005 (Why? XP Pro would be far better for about the same price. This is a gaming PC!!)
Processor
AMD Turion 64 Mobile Technology MT-37
Memory
1GB DDR RAM
Hard disk
100GB 5400rpm SATA hard drive
Graphics
2x 256MB NVIDIA GeForce Go 7800 GTX SLi graphics
Screen
19'' WSXGA wide screen display (1680x1050) (!)
Audio
Built-in audio and speakers
CD/DVD Rewriter
DVD/CD-RW/Dual Layer DVD-RW drive
Network card
10/100/1000 LAN
Wireless Mini PCI 802.11bg (54mbps) LAN
Modem
v90 56k modem
I/O ports
5xUSB 2, Firewire, Serial, DVI, PCMCIA, SPDI/F out, TV Out
Battery
12 cell Li-Ion battery
Standard software
Microsoft Works 8
Roxio Easy Media Creator 7
Smart card reader
Built-in media card reader (MS/Pro, SD, MMC)
Dimensions
476mmx343mmx47.8mm
Weight
6.6kg (!)
Misc
FREE Vodafone 3G/GPRS Mobile Connect data card
Warranty
Gold 3 year warranty - 1st & 2nd year in-home service (parts & labour). 3rd year return-to-base (parts & labour). National rate telephone support & BigFix pre-emptive support
Digital camera
1.3M Pixel Camera
It retails for about £2.2k!