Mariner Software announced the immediate availability of MacJournal 4, its journaling and blogging utility, on Tuesday. The updated version is a Universal Binary application, allowing it to run natively on PowerPC and Intel-based Macs. It also now supports blog publishing to major blog sites as well as .Mac accounts, adds browser tabs for switching between entries, includes live word count, supports AppleScript, and more. MacJournal 4 is priced at US$34.95, and updates from version 3 are $14.95.