Version 1.4 of Vista Style Builder is now available for download; You need to use same download link that came in your activation e-mail.
VSB 1.4 focusses on Windows7 support and bugfixes. Furthermore, 1.4 makes it possible to develop and test themes on machines without patched uxtheme files installed.
VistaStyleBuilder 1.4.0 CHANGELOG
+ ADD: Show Controls Preview menu item under the test menu
+ FIX: color conversion bug: #010101(alpha=1) would get converted to to #000000(alpha=1) on some occasions
+ FIX: speed adjustments, saving is 20% faster now
+ WIN7: New classmap and parts data for Windows7 (thanks to Panda X)
+ WIN7: XP to Windows7 importer (thanks to Panda X - work in progress)
+ WIN7: Vista to Windows7 importer (thanks to Panda X)
+ ADD: settings file can contain [window]width=900, [window]height=500 for custom sizes
+ ADD: shift+click the undo menu to copy all undo entries in text form to the clipboard
+ FIX: copy/paste bug on low memory conditions
+ FIX: it was impossible to go back to the first undo entry (opened theme)
+ FIX: empty titlebar fix on Windows7
+ ADD: one-shot in-memory uxtheme patcher on board for testing themes on machines without patched uxtheme files