I went ahead and updated them. I was in the same boat and I feel that for the amount I use the programs $60 is a small price to pay. I planned on paying to upgrade to Mavericks and considering what MS Office costs, $60 is a small price to pay.
I would be willing to buy them again too since I get tired of digging out my DVD every time I need to reinstall. However, it won't let me buy them.