Like the glossy, bright display, a 1.8 GHz Intel Core Duo CPU (2.0 GHz processor with the higher end model), 512MB of RAM, an 80GB hard drive with shock protection, a single-layer DVD burner, AirportExtreme Wi-Fi, Bluetooth, FireWire, a built-in iSight webcam and an Apple remote for Front Row media software.
What it lacks however, is keyboard backlighting and the ExpressCard slot, which the MacBook Pro offers. Also, the new MacBook comes with an external USB modem for an extra $49. Also, while the MacBook supports external displays upto 1920x1200 (like the Apple 23-inch studio display), it doesn't come with a DVI or VGA adapter, so you'll have to purchase those separately for $19 each.
So the MacBook is really a mixed bag, with a lot packed in but a few important elements left out. Do check out Apple's spec sheet before buying it!

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