I think overall that phone is like an upgraded version of the W580i since it supports 3G and HSDPA (great for me in Taiwan :) ). But the feel of the phone is still the same. Sony seems to like to stick to 2.0MP for a good portion of their phones. I wonder what's stopping them from pushing it up to 3.2MP. The w910i retails for over 400USD in my area so I would assume paying that amount would grant a camera with higher resolutions.

However the software for the phone is still too slow. The menus lag alot here and there when navigating through menus really fast.

But I can comment that the bluetooth on it is really fast for data transfers. I was able to hit about 140~160KB/s transferring from my notebook to the W910i. When transferring data to my Z610i or W800i i can only achieve about 60KB/s. I haven't tested the W910i with A2DP yet but I assume it should be sufficient.