13" MBP pro wins hands down. Use search to find the many, many threads about how happy people are with their June MBPs, and how glad they don't have the revision A uMB. You will surely regret getting the 2.4, knowing that the 2.26 was available.
They are not too different.
PRO macbook!!
-in CPU tests, the 2.4GHZ is actually faster than the 2.26 chip.
-The battery in this model is actually interchangeable, unlike in the Pro!
-you may not need firewire like many people
-the battery still lasts for ages
Pro Macbook pro!!
-Its battery kicks ass
-It can handle more ram (8GB?)
-The screens, are exactly the same (crap glare ridden screens imo)
-It has SD (which I really like - cause I need it!)
I had a 2.4ghz and it got nicked, so Im getting either a 2.53 macpro or an AIR.. AIRs are so good to use...