Absolutely. A Mac version would be great. (My main machine is a Mac but keep in mind that unless we target Mac World Expo, 99% of the atendees will be PC folks.) Actually if you do your stack any time soon, please send it my way so I can "port" it to the PC somehow. (Probably, just by grabbing pictures and stuff...) BTW: Speaking of vapor ware, I'm making some progress with the SecureDrive like thing for the Mac.... I feel like I'm walking through molasses when reading about the extents file in Inside Mac, but I'll eventually have it sink in my brain and get something to work. (Incase you aren't familiar with SecureDrive, it's a device driver that automatically encrypts a whole partition.) The driver I'm working on will use a file to store the encrypted volume on. Once the drive is mounted anything stored on it is secured. I'm going to leave the crypto code open. I'll probably provide a module for DES and IDEA, and leave some open specs so others can write their own modules and stuff. I'd encourage others to use these modules in other software that they'll write... They're basically stand alone code. I haven't decided if the crypt modules will be just code resources or INITs with Gestalt selectors installed. Depends on how feasable the stuff is with drivers... Anyhow, enough on vaporware. Two things to add to the Mac version of this disk: Curve Crypt, and Mac PGP. If you know of any other Mac stuff to throw in, please do so. I strongly sugggest we use 1.44Mb disk since Apple is braindamagedly trying to push new drives that won't support the old 800K GCR disks. :-( HELP REQUEST: If anyone knows how to read a file off a Mac HFS volume using sector reads/writes or knows of sample code (C, Pascal, Basic,68000, etc.) please send it my way. Basically I need to figure out where a file lives in terms of sectors and blocks. Hint: you can't call FSRead/FSWrite from a disk device driver because the file read/write routines are non-reentrant.