Since an internet connection is required to use LimeWire, it seems reasonable to me that the software is only available over the internet.

Physical disks, packaging and postage cost money. Enough to wipe out the value of the low registration fee.

This is not to say that it couldn't be done. Perhaps a special premium package with T-Shirt included - Charged at 30-50$. Do you think there would be enough demand to make it worhwhile?

Mark