Naturally the increase in potential power consumption means we have larger 85W power bricks instead of the 60W brick that shipped with the previous entry-level MacBook Pro:
The new power brick also uses a different mag safe power connector. The connector is still the same, the plug has simply changed:
The Old Mag Safe Connector
The New One
The new MacBook Pro also gets much warmer than the old one. I'd say it's more comparable to the first gen unibody MacBook Pro. If you're going to have this thing on your lap for a while you may want to wait for the next rev of Arrandale due out later this year. It should be a bit cooler.
Cooling the Core i5 and the GT 330M requires two fans, compared to just one in the previous 2-chip solution. The new MacBook Pro is no louder than the old one in practice.
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