I'm left-handed so I definitely agree with the need to allow for left-handed taps to turn pages.

It won't be perfect for me though until it has dictionary support and two-column landscape view. Both of these are deal killers for me as the iPad screen is too large to read in single column landscape and I hate using it portrait. Without a dictionary it is hamstrung, regardless of what the lesser educated people might think. Some of us do some serious, scholarly reading and no dictionary equals no usage.

Otherwise the app is really coming along and has a lot of functionality. It really needs more font selection too, though.