The iPad3 aka "The new iPad". If you were asking what it it actually is, its a tablet computer.
Yes. The iPad 4 is the most current iPad (as of April 2013).
The difference between 3G and 4G is that 4G offers one more G when it comes to your iPad service. It is not much different, because 3G only has ONE less G than 4G.
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).
The iPad 2 is a 2nd generation device. The current iPad (as of April 2013) is the 4th generation iPad 4.
The iPad mini and the iPad 4.
Who knows? The latest iPad is the 2nd generation. As Steve Jobbs is now dead, who knows is he designed a 4th generation, he probably did but Apple might not be as good without him.
The original iPad, just know as the iPad was first, then came the iPad 2. The latest model is known as New iPad. (not iPad 3 or iPad HD or ????).
No. It is only available for New iPad (3rd Generation) and iPad with Retina Display (4th Generation)
You can buy the 3rd generation as a refurb starting at $379. The 4th generation iPad with Lightning comes out Nov. 2nd
The latest iPad (3rd generation) was released in March of 2012. There MAY be a smaller iPad (7") released in September or October of 2012.
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 latest model iPad is the second generation iPad. There are many online and physical store outlets that carry the iPad. One reliable website to purchase the iPad is the official Apple website. The official Apple store, if in your area, is another reliable option.
The current versions Apple sells are the iPad 2, iPad Mini, and iPad with Retina Display (4th Generation). Ones not being sold are the original and New iPad (3rd Generation).