First of all, trackball is at least "technically" a big innovation and is probably the best navigation element placed on a phone so far. Of course it takes some getting used to, but hey, wheel took the same when you first bought your 8700. That was a little easier then, cause it was the first one to learn. It is always harder to replace a habbit than getting a new one.
As mentioned earlier, besides everything else, trackball gives you the ability to move all directions, not only up an down.
I owned a 7130e before and have not missed even one thing of the 7130 since I got my pearl.
Perfectly sized, beautifuly designed, logically equipped...
Its all I needed, and I am very happy with my purchase... (and if the RIM stock keeps going like it currently does, I will be even more happy
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