WordPress needs a solution for staging sites

I’ve been looking through posts on WordPress support forums about how to create staging sites, and it’s clear that people are looking for a solution:

http://wordpress.org/support/topic/staging-environment?replies=5

http://wordpress.org/support/topic/dummies-guide-to-creating-a-stagingtest-site?replies=5

http://wordpress.org/support/topic/creating-a-staging-or-test-site?replies=16

WP Stagecoach is going to make this very easy: the plugin takes care of setting up the staging server, migrating changes back and forth, changing the URL of the site appropriately…  It will let developers devote their time to developing, instead of fiddling with servers and migrating databases.