Thanks for your responses, peoples. Having taken into consideration your comments, I actually think I have now decided to go for the 64gb, and here's why:
1) As mentioned, the apps will get bigger and better over time. And I plan on buying lots of them
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2) It is likely that I will fill up the pad with a number of 'favorite' movies, which I likely won't feel like syncing in and out every time I take the thing on the road.
3) Most importantly, I am hoping to not upgrade for a few years. Meaning, I want to get in on the ipad scene now, and not wait till next generation. Having said that, I have no desire to buy the 2nd gen version if I buy one now, unless it can brew me coffee and flip some pancakes with a touch of the screen
. Cameras and SD slots and other little trinkets are nice but not sellers for me, so I imagine I'd be content with the current model for a couple of years. Furthermore, and this is no offense meant to the 16gb owners, 16gb will be LOL worthy by the time the 2nd and 3rd generation ipads come out, I expect the top models will launch with 100+gb storage. While 64gb will also be considered low by then, it will definitely have a resale value beyond the smaller storage models, whenever I DO decide to upgrade the pad down the line.