"Faster. Better. Sexier. And yes, even cheaper."5.0 starson by SuperYogurt
Pros: Faster processor, memory, larger hard drive, great LED screen, great graphics, etc, etc. Firewire 800. SD card reader. Great multi-touch trackpad. Mac OS X (soon Snow Leopard). Amazing aluminum design. Backlit keyboard. All at a CHEAPER price.
Cons: Once you have one, you'll (most likely) never buy another PC laptop again.
Summary: What's more to say? Everything's better for a cheaper price.
Latest Intel Core 2 Duo, with 1066 MHz frontside bus and 3MB L2 cache.
Latest and fastest 1066 MHz DDR3 memory.
Nvidia Geforce 9400m, one of the best mobile graphics units available.
New long lasting battery.
Backlit keyboard and large glass multitouch trackpad.
Amazing, light, and sturdy aluminum chassis.
LED high quality screen.
Firewire 800, SD card slot. Wireless N.
And best of all, OS X (with Snow Leopard coming soon).