Hmm... I like that tip @17triton... We've got roof racks on the Paj already, although I haven't really looked at them since buying them. No idea how good they are!
Thanks @Bluey for the tip, I went and had a look at the thread and it does look pretty good. Having them being based in Qld might be a bit of an issue though... Still, I'll add it to the list of things to put to Mrs Smergs and we'll see how we go.