iPad vs. Windows (Aus): this Microsoft article has a quick comparison between iPad and some Windows 8 devices (ASUS VivoTab Smart, Microsoft Surface RT, Acer Iconia W510). They compare size, weight, battery life, etc.
Here are a couple of detailed reports looking at the total cost of ownership of Windows 8 devices compared with iPad:
- Tablets in the Enterprise: Comparing the total cost of ownership (commissioned by Intel)
- Tablets in Schools – Management costs of Dell Latitude 10 vs. iPad (commissioned by Dell)
There are a few video ads from Microsoft comparing Windows 8 with iPad. One below, more here.