Panic, creator of the popular Audion MP3 player, has posted Transmit 1.7b1, a Carbonized version of its FTP client for Mac OS X. The public beta adds a complete Aqua interface, improved stability, wheel scrolling, live resizing, and preliminary long filename support, among other changes. Transmit is US$24.95 shareware, and a free upgrade for previous owners. The final version will also support System 7.5 and above.