There are a number of options for you. First, if there's no corporate reason
to use Office 2007, then revert to 2003. Given that there was a free trial
version, I can't grasp someone buying Office 2007 without having tried it
first... particularly a developer.
Second, there are some 3rd party products that restore the Word 2003
interface. One of them is even free, I believe. I don't know about the
other Office apps.
Third, almost all of the keystrokes from Office 2003 still work in Office
2007--even the ones that seemingly depended on there being a menu in place.
Just pretend that the menu is still there... you will [almost always] end up
the same place you would have in Office 2003.
Fourth, you say you're not a toolbar fan. Point taken, but does that mean
you didn't use the style, font, point size, etc. tools in Word, Excel, PP,
2003 at all? If you did, but weren't really thinking about the basics when
you said you weren't a toolbar fan, it's possible to set the QAT up so that
it looks and works a whole lot like the basic toolbars from Office 2003.
This has been my salvation, since it means I always know what font, style,
etc. are in effect, regardless of which ribbon tab is showing. For one
approach in Word 2007 (same basic principles apply to other Office 2007
applications), see:
http://word2007bible.herbtyson.com/2009/01/14/making-word-2007-a-little-more-familiar-2/
For the most part, the ribbon was (IMO) an ergonomic nightmare. But, by
selectively putting what I need onto the QAT and by continuing to use the
keyboard shortcuts and macros I've been using/developing/adapting for the
past 20+ years in prior versions of Word and other Office applications, I've
managed to become more productive with Office 2007 (not because of the
ribbon, but because of other features, such as improved graphics, live
preview, content controls, and more robust and smaller files).