We may have mentioned it one or two (dozen) times, but 1Password is a great solution for securely managing passwords, credit cards and notes on a Mac (and recently the iPhone). If you're a 1Password fan, be sure to check out the 2.9 release from last weekend; it has a pretty huge new feature. For quite a while now there have been grumblings about the OS X Keychain being a bit of a beast, especially when handling large amounts of data. Rather than waiting out Apple for new improvements to the Keychain system, the stalwart coders at Agile Web Solutions decided to write their own.
If you dig into the Keychain section of the preferences in 1Password 2.9, you'll find an option to "Switch to Agile Keychain Format." What's the difference? First, it allows easy file-based synchronization, making possible non-MobileMe solutions for syncing up multiple Macs. Further, it maintains speedy access even when it contains gigs of data, as well as supporting much higher levels of encryption. Sounds good to me.
If you're ready to switch your keychain format, head over to the developer's blog for detailed instructions, and read up on the various options for automatic sync between Macs. 1Password 2.9 is a free upgrade for existing users, and new users can grab a free trial. A single license runs $39.95USD with a family pack available for $59.95USD. For the full changelog for this release, check the version history page.