Hi Peta from another Aussie
I print on a nice paper that co-ordinates with the card. It looks professional and I don't think it detracts from the personal side of the a hand-made card. The good fact is that you made it. I do like to sign off the card by hand - that's all.
I like to use an appropriate border punch on the bottom edge too, just dresses the insert up that little bit more.