Are there 16GB iPod Touch (4th Generations)? or is it only available in 8GB, 36GB, etc.
No there is not a 16 gb one
8GB 32GB and 64GB
No, the 16GB iPod Touch (4th Generations) is not available. There is only the Apple iPod Touch 8GB, 32GB and 64GB capacities. They are available in both black and white and have free text messaging over Wi-Fi with iMessage.