Just one point on Cooper and the Inmates book... it was written 11 years ago. Cooper being a vaguely smart guy has learned stuff since then and has quite a different view on the way development and ux folk fit together now.

Folks interested in a look into his more current thinking might want to take a look at his keynote for Agile 2008 http://www.cooper.com/journal/2008/08/alans_keynote_at_agile..., and his keynote at Interaction 08 http://interaction08.ixda.org/Alan_Cooper.php.

And from his involvement in things like the http://www.andersramsay.com/2010/02/04/notes-from-the-agile-... things are moving on from there too.

There's a large chunk of the UX community that's moving away from the developers-as-enemy attitude. And vice versa for the developer community I hope :-)