Assuming the photos are legit, and that the display really is touch-sensitive, Apple could also be working on a redesigned iPod nano or iPod shuffle with touch interfaces, or possibly a new input device for the Mac.
Apple.pro has previously gotten its hands on what turned out to be legit images of iPhone 4 and MacBook Pro parts, but that doesn’t guarantee these photos are accurate, too. Since Apple doesn’t comment on rumors or unannounced products, we’ll have to wait for more leaks — or an Apple product announcement — to see if these shots are real.
[Thanks to Mac Rumors for the heads up.]