Since we've updated WebKit, it's now possible to swap our normal text zooming function with Safari-style Page Zoom. To do this, quit OmniWeb and enter the following in terminal:
Page zoom replaces text zoom and appears to work just fine with site preferences. It should fix a lot of formatting issues for those of you who were zooming text for pages with static layout elements. Enjoy!
defaults write com.omnigroup.OmniWeb5 WebKitDebugFullPageZoomPreferenceKey 1