Just spotted an awesome product design concept on Kickstarter site "Sensu Brush: A True Painting Experience on Your iPad by Artist Hardware" - an ultimate dream for an iPad artists.

[button size=big link=http://www.kickstarter.com/projects/797362124/sensu-brush-a-true-painting-experience-on-your-ipa target=blank]Visit project on Kickstarter[/button]