http://blogs.adobe.com/jnack/2010/04/draw_share_with_adobe_ideas_for_ipad.html
Other blogs
Russell Brown Photoshop instructor
Bert Monry - pixel perfect photoshop tutorials - Bert's Art
Deke McClelland - Photoshop and Illustrator
Scott Kelby teaching photoshop class. Photoshop User.
Photoshop Lightroom on TB facebook. Adobe Lab's free download good for 2 months.