I'm no developer, but I can call a good dev tool when I see one. BuildFactory from Bleep Software sounds like 'Automator for developers', with features like automated builds, building refreshed sources from Subversion, using your own external editor for errors and warnings, and building multiple projects with one click. A healthy dose of other features are offered in this handy tool, so why not check them out for yourself or watch some tutorials to see BuildFactory in action. The author has even posted a poll on the main product page to find out what features developers would most like to see added. At least you can't say BuildFactory's dev doesn't care about feedback.
A demo of BuildFactory is available, while single licenses sell for $35, with a 5-pack for $150.