Encryption is available for credit card information.
According to the information on the home page, they were scheduled to install T1 lines at the end of December. The home page also advises that they support Netscape, not Mosaic. I used telnet to look at this site, which worked fine. Most of my exploration was on classical music, but I did try the other as well. When you enter the Pop Store, there are a number of searching options and interesting links.