"If you can find a "PC" equivalent (2ghz core duo, x1600, 100gb, 1gb, 15.4" widescreen) for less than $1799, then we'll talk."
I made an alienware for exaclty 1,799$:
Intel® Core™ Duo Processor T2500 2.0GHz 2MB Cache 667MHz FSB
1GB Dual Channel DDR2 SO-DIMM at 667MHz - 2 x 512MB
120GB Serial ATA 1.5Gb/s 5,400 RPM w/ 8MB Cache
256MB NVidia® GeForce™ Go 7600
15.4 inch widescreen
Can we talk now?