It depends on your style. If you have a lot of music, will get a lot of apps (or have a lot of apps), a lot of videos, and a lot of pictures, then the best capacity for you is one of the higher end capacities that are 32gb or up. If you have minimal of all of those, choose the 8gb.
No, there is not a 4 gigabyte iPod Touch. The iPod Shuffle comes in a 4 gigabyte capacity, and is the only iPod that does have that capacity.
The iPod Touch 4th generation and after have cameras. It does not matter the GB capacity.
The iPod Touch now has a maximum capacity of 64 gigabytes (only when buying that capacity).
You cannot upgrade an iPod Touch's flash drive to a larger capacity. The flash drive is what it is on an iPod Touch. You cannot change it, increase or decrease it.
Yes, the iPod Touch of the same capacity as any other iPod will cost more.
No, it can't. No generation of iPod Touch (including the 8gb capacity iPod Touch) can take pictures.
It will vary depending on the capacity of the iPod Touch. The average 8 gigabyte iPod Touch will run at about $199 (excluding tax).
It depends on how much Capacity your ipod touch has and how much capacity each app takes up.
Storage capacity is the only difference.
Memory capacity. Software capabilities .
The iPod Touch's box should say the capacity of its hard drive.
You can download iMemory Enhancer on your iPod touch.