CEToolbox 1.7.2 is in fact the current version, several readers have told us in regard to our mention of it in TidBITS #224. [MHA] Thanks to David "wow, I'm actually correcting one of the BIG guys" Alten <email@example.com> for adding that it's available at:
Keep Markup Tools Active in PDFpen
By default, PDFpen switches back to the Edit tool each time you add text, scribbles or other markup. To keep a tool selected (continuous use mode), double-click it. To exit continuous use mode, click the Select tool or press Command-1. You can also make continuous use mode the default by selecting Keep Tools Selected After Use in PDFpen's Editing preferences.