The reason for that is that I do most work through the remote editing feature of WinSCP.
And for that I still find myself behind my trusty old Windows XP laptop. But most of the development work I do at home is not Java work, it's web development work. And recently I even found it quite nice for developing a Java application that's been in my head for a few years now.
I try to do my personal development work on the iMac. But how come then that even after I've owned an iMac for a few months, I find myself hardly doing any development work on it? It's a UNIX like system with a great GUI built on top of it.
Ever since Mac OSX came out, I understood that the Mac is the dream machine for software developers.