There's one here. I'm an Ubuntu user, but I have a paid copy of XP that I use in VMWare so I can test IE6 & 7.
EDIT: But I'm probably an outlier.
EDIT: But I'm probably an outlier.
I've heard it's nice, I think it's essential IE files and wine slapped into a pretty package - but I've also heard/seen that you can have several versions of IE for testing stuff out. Might.. be nice. I dunno.