The iTar as you guessed it is an iPad transformed into a guitar. The actual product is not out yet because the people behind it are looking for funding. It's a great product for musicians who love using their iPad to add to their music. The iPad has now given the ability for anyone to make songs wherever they are, whether they be a novice or expert. With the iTar you can transform your iPad into a whole different musical machine.
If you're interested in the product and want to pledge money to funding it go check out there Kickstarter page.