I was able to save a few dollars when renewing some domains just a while ago. I entered FED3 as a promo code during checkout and $3.20 was taken off each domain's renewal price.
After installing Ubuntu I had no problem connecting to MyBookWorld from the Places -> Network. At some point I wanted to mount MyBookWorld so I could reference it directly.
I found some directions but they didn't exactly work for me. The following did.
Here is a posting about Sitemapper
For details about Sitemapper visit