The price drop is nice but it is still expensive compare to a nice PC laptop. The 12" PB also have serious problem with heat and built quality. I consider getting one but the heat, noise (yes, the noise problem also exist in the PB line), and the built quality issues make it less attractive. Not to mention that I don't really like Apple return policy and service. Once you buy Apple PB, you stuck with it with no possibility of return it if you don't like it, etc. Apple is like Microsoft but with hardware department IMO.
My own experience with Apple return policy and service
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Once I bought the apple iPod (2nd gen) from a local apple store. Find out later that my iPod would crash every once in a while (every 30-40 min jogging to be exact). I brought the iPod back to the store the very next day after I bought it. The genius took my iPod and disappear for about an hour and come back to tell me that he cannot replicate the problem (since he doesn't move the iPod at all, just let it sit on the table running for 45 min). But he admit that there is a known issues with the iPod to crash if you use it for jogging or moving it for more than 30-45 min continuously. However, he cannot do anything with it (Apple should make a big note about this issue before hand) and won't accept the return. I have to talk to the store manager (which cannot do anything either except replace it with a new one which will have the same problem). I end up have to call Apple Customer Relation and talk to the guy for about 20 min before he accept that the iPod was not designed to sustained 30-45 min jogging but Apple also didn't make it clear. He then accept the return. Compare to IBM return policy which took me less than 5 min on the phone and the Airborne guy show up in couple of days to pick it up for the return, no question.
Mocca