As presented yesterday, the (impressive) iPad is a companion device. A PC or Mac with iTunes is required to sync and backup media, documents etc.
Yet, with iWork (and external keyboard), it could cover many peoples computing needs, and comptete more directly with netbooks.
For example, think about someone looking to replace their old or broken computer. Buying the iPad and a new computer would be a tough sell.
We know that Apple's building a huge data...