People seem to bring that up whenever there is a complaint or note about the sharp edges, but even if one types with perfect position, what about when one is just surfing the web? That's when it really bothers me. If I'm simply web-surfing or interacting with the web, I am using the trackpad only the vast majority of the time. So my right hand is on the trackpad and my wrist......well, it's getting deep red grooves from the edge of the computer.
I can't imagine that many people hold their wrist up in the air when using the trackpad by the hour. I know I don't. I rest my palm on the... palm rest!
I've had Apple laptops ever since my Duo. Both it and the iBook had very comfortable, rounded edges. Again, not such a big deal when typing (although why have them be sharp at all

), but a major plus when web surfing and there were no marks and no pain from the edges. Those were the days. I can't WAIT until the unibody is changed. I tried to hold out but gee, my iBook got a bit outdated.
OP, it's funny, I was wondering if a 15" would be better. Not for typing as much, but for web surfing. I find that on the 13-er, now that we have the "one big trackpad/button" that in order to use the palmrest and trackpad when I'm websurfing, I have to put my forearm at an awkward sideways angle. I think that's because there is so little room between the bottom of the trackpad and the front edge of the computer, but I'm not sure. It might not be so noticeable if the edge were not sharp, because then I would not be trying to keep my wrist from
accidentally touching the front edge of my computer!!
It could be worse though: The first MBP I got had super sharp edges; it was like they had not even filed off the machining schkuzz before anodizing it. I returned that one and got one that is nice and smooth ---- or, as smooth as possible within the sharp design parameters.
I did originally buy a Speck hard case figuring I could wet-sand the edges of the case and thus have a nice smooth front edge. But.... the case adds
one pound (and some thickness) to my nice light MBP! It would be nearly as big and heavy as my 2001 iBook! Noooooo! So for now I have not even opened the Speck case.
Anyway, as one who tends to type with "good posture," I STILL feel your pain when I'm web surfing. If only these new-fangled computers
just had keyboards and not these crazy trackpad thingies
Miss Terri