Best Buy has this for $499:
Gateway NV5927U
* Intel® Core I5-430m cpu
* 4GB DDR3 memory (2 x 2GB, 0 open slots)
* Blu-ray Disc-enabled DVD±RW/CD-RW drive
* 15.6" LED-backlit high-definition widescreen display (1366x768)
* 320GB Serial ATA hard drive (5400 rpm)
* Intel® Graphics Media Accelerator HD (128MB of dedicated video memory)
* HDMI port for connection to an HDTV.
* Built-in webcam and microphone
* Multi-in-1 digital media reader (Supports SD, MMC, MS, MS PRO and xD-Picture Card formats)
* 4 high-speed USB 2.0 ports
* Built-in wireless LAN (802.11b/g/n)
* Built-in 10/100/1000 Gigabit Ethernet LAN
* Weighs 5.8 lbs. and measures just 1.5" thin
* Microsoft Windows 7 Home Premium Edition 64-bit operating system preinstalled
Compared to the base 15.4" MBP it has a better CPU, bigger HDD, bluray support, better graphics, more USB ports and HDMI - all for about $1300 less. And considering the low price, there is no need to spend $200 on a warranty (ala Applecare). Thus, it's around $1500 cheaper.
Gateway NV5927U
* Intel® Core I5-430m cpu
* 4GB DDR3 memory (2 x 2GB, 0 open slots)
* Blu-ray Disc-enabled DVD±RW/CD-RW drive
* 15.6" LED-backlit high-definition widescreen display (1366x768)
* 320GB Serial ATA hard drive (5400 rpm)
* Intel® Graphics Media Accelerator HD (128MB of dedicated video memory)
* HDMI port for connection to an HDTV.
* Built-in webcam and microphone
* Multi-in-1 digital media reader (Supports SD, MMC, MS, MS PRO and xD-Picture Card formats)
* 4 high-speed USB 2.0 ports
* Built-in wireless LAN (802.11b/g/n)
* Built-in 10/100/1000 Gigabit Ethernet LAN
* Weighs 5.8 lbs. and measures just 1.5" thin
* Microsoft Windows 7 Home Premium Edition 64-bit operating system preinstalled
Compared to the base 15.4" MBP it has a better CPU, bigger HDD, bluray support, better graphics, more USB ports and HDMI - all for about $1300 less. And considering the low price, there is no need to spend $200 on a warranty (ala Applecare). Thus, it's around $1500 cheaper.