Macbook v. Macbook Pro

Hi everyone,

My job is giving me ~$2000 to spend on a Mac laptop. With that amount 
of money, I can buy either a souped-up, top-of-the-line Macbook or a 
bottom-of-the-line Macbook Pro. I'm seeking advice about which choice 
makes more sense.

Specifically, aside from the larger display size, is there a major 
advantage to the Macbook Pro? I don't know enough to find the answer to 
this question myself from the specs. The top-of-the line Macbook (the 
black one) and the low-level Macbook Pro both have the same processor 
as far as I can tell (2.4 Intel Core 2 Duo) and the same amount of 
memory (2 GBs), and the black Macbook actually has a larger hard drive 
(250 to 200 GB). Yet the Macbook Pro costs about $450 more.

In short, my question is this: why does the Macbook Pro cost so much 
more? Any thoughts on whether it's worth so much more?

Thanks very much for any help!

-- 
ez