This isn't quite so much a killer trick or hack you can perform on TextExpander - an indispensable time-saving text abbreviation and expansion utility - as much as it's a neat feature that I just recently discovered. TextExpander can export a list of all your text snippets and corresponding abbreviations, and it can subscribe to such a list if you keep it somewhere, say, like your iDisk or an FTP/WebDAV space. If you have a desktop and lappy for working on the go like me, this can more or less enable rudimentary syncing for your snippets between Macs. Of course, it would rock if SmileOnMyMac would make this an official feature, with bonus points awarded for baking in both .Mac and FTP/WebDAV syncing (like Mr. Simmons did with NetNewsWire). For now though, this might be a decent solution for keeping your snippets n'sync.