I got the $20 paypal deal,
![Wink](https://oss.azurewebsites.net/forum/images/smilies/wink.png)
But even with the extra $5, it's worth it. Just the fact that your input is worth a big more if you're a registred user (or so I assume) is also worth it.
A lot of softwares doesn't have much of support, with ffxp, you can even "talk" to the author himself on the boards.