Great Article… I’ve been doing mockup in markup ocassionally and after reading this article maybe I should do it always.

The only problem I see is when the designer is not the front-end coder, in that case is almost mandatory use PNG files for the mockup.

I prefer using Fireworks PNG rather than a PSD, because is a more accurate in the final results and is easier for a coder to get properties of the elements.

Photoshop is great to create the cool images… not for an entire mockup.

Thanks Meagan, this article reminds me the 37 Signal’s philosophy on “Getting Real”