I'd love to have a device I could take around in meetings, draw pictures on it, run demos, show slides, some sort of collaborative work device. My collaborator

I'd love to have a device I could take around in meetings, draw pictures on it, run demos, show slides, some sort of collaborative work device. My collaborators would have similar devices and we could easily "drag n drop" between our devices. The iPad could become that device with one or two improvements.