Links for Dec. 17, 2009.

The Apple Store’s Checkout Form Redesign [Functioning Form]

Helpful walk-through of Apple's checkout form by Luke Wroblewski.

Are web agencies design-heavy? [JeffCroft.com]

Couldn't agree more. Application development is not merely a handy skill to have, but an essential skill moving forward. (NB: that goes double for mobile development.)

PastryKit [Daring Fireball]

Another tool in the iPhone web developer's toolkit.