Alas I’m not a Mac owner. Well, I’ve got an iBook sat in the corner, but you know, I’m thinking of getting a Dual G5 and some of those 30" widescreens. Meantime I’m sat on a Dell. However, Mac users can now download a funky SMS widget for their desktops. You need Mac OS X 10.4 or higher.
More here: http://www.macupdate.com/info.php/id/17856