I am also a relatively long-time linux user, started with slackware in 2003. Currently I switch between OS X on my desktop, and Ubuntu on my laptop. While the

I am also a relatively long-time linux user, started with slackware in 2003. Currently I switch between OS X on my desktop, and Ubuntu on my laptop. While the only program that I use on OSX that I don't have on Ubuntu is Photoshop, there are many programs which I think are much, much stronger on OSX. These include: 1. Transmit. Gnome just doesn't have a well-designed, reliable GUI FTP client. Transmit is amazing and it makes my job so much easier. 2. Adium. As great as Pidgin is I vastly prefer Adium, it has a greater feature set and I love being able to customize it's appearance. 3. Skitch. Skitch makes it so easy to screencap, edit, and upload pictures straight to my own personal servers (via FTP), I stop myself from taking screenshots while on Linux just because it's a pain in the ass compared to skitch. 4. NetNewsWire. Especially now that it's free, there is no RSS client for Linux that even comes close to NNW. 5. Transmission. Let's face it, although it shares much of the same underlying codebase, the OSX GUI is just so much more of a pleasure to use, not to mention the GTK version is missing some key interface features. 6. Quicksilver. I always find myself pressing contrl-space while on Ubuntu expecting Quicksilver to pop up, but only being disappointed when it doesn't. GNOME Do (http://do.davebsd.com/ http://do.davebsd.com/) is a project aiming to reproduce Quicksilver functionality on Linux, but it's a long ways away. 7. Textmate. Great text editor, Gedit is OK, although I find myself wishing I was editing in Textmate instead. You can hack around with Gedit to get many of Textmate's features, but they feel shoddy compared to the real thing.