The iPad 2 is a 2nd generation device. The current iPad (as of April 2013) is the 4th generation iPad 4.
The newest one is the iPad 2. This was released in March 2011. There have been hints that Apple will release the third generation iPad soon.
The newest type of Ipod is the new Ipod Shuffle which is a sleek short black color with voice playback which tells you the song and artist to make up for lack of screen lil wyte's answer- the newest ipod is the ipod touch
as of October 2013, yes
Yes, the accessories for the first generation iPad Mini work on the second generation iPad Mini.
The iPad with Retina Display (4th Generation). Note that the 3rd Generation also does have retina display. It was call 'New iPad'. The latest model has a new A6X processor chip and a lightning connector, as well as dual-band WiFi.
Only the New iPad (3rd Generation) and iPad with Retina Display (4th Generation).
IPAD
There was no product known as the iPad 3. The 3rd generation iPad was known as the 'new iPad'. The fourth generation iPad will also be known as the 'new iPad'.
The iPad mini and the iPad 4.
My Ipad
The 3rd generation of the ipad