yes
Yes. It is the iPod Touch 3rd Generation, and it is already out and available to buy.
Now there is the iTouch 4th generation with a camera and more improved things!
No i have one if you want a camrea u need the iphone
yes
Update: the new iTouch (3rd gen iPod Touch) does have a camera Plus it can take screenshots of a game you are playing
Indeed. Monitors with built in cameras do exist! Most laptop computers come with a built in camera. All Macintosh computers come with a built in camera as well.
no only an iphone
Yes you can
mmm no
The iPhone / iTouch have YouTube built in as an app.
No, an Itouch itself does not have a mic, but you can buy a Apple Earphones with Remote and Mic for $30 on apple.com. if you want to find out what an Itouch has or doesn't have check this link http://www.apple.com/ipodtouch/specs.html The iPhone has a built in microphone, though.
No, there is only a camera on the iPhone, there is not one on the iPod touch yet.