>Can anyone recommend a good way to handle this? There will be a tiny number of transactions. I really don't want to have to re-invent the wheel & was wondering if anyone has any pointers or suggestions...
>
>Thanks!

We use Mercury Pay for our POS application, and it works well and is fairly easy to use. http://www.mercurypay.com/

We have used IC-Terrify, Shift4, and others, but MP has been the best to work with, and developer support is fantastic!