I don't see much point in live view per se but live view with an articulated screen is a much more interesting proposition. I can't see myself holding the camera at arms length when I could look through the viewfinder but for awkward shots and particularly low level shots, from my experience with a bridge, it's invaluable. In the past I had a Miranda with interchangeable, eye leve/waist level, finders, and have always had the angle finder for my OM2s.

For me the lack of a system like that in the a350 is a disappointment in the a900 and will make me look harder at Canon and Nikon. However, mechanically, I don't see how the a350's live view could be adapted to a pentaprism.