Dell recently released their five inch tablet/phone hybrid device the "Dell Streak". Now they are gearing up to release a seven inch tablet computer "within weeks". They also have plans to release a ten inch version in next 6–12 months.
Dell Greater China President Amit Midha claims Dell's planning to release a 3" and 4" device in the very near future as well.
Midha confirmed the 7" tablet will run on Google's Android operating system but said that Dell has been testing Google's Chrome OS on its devices. He also said that some of the devices they're working on will run Windows.