My Christmas was also pretty cool. It snowed today which was awesome. And I just worked on my dad's PC all day which was fun since I installed Ubuntu linux for the hell of it.
There's nothing revolutionary about it, you're paying for them to host servers. And I heard it's not possible to actually jump on any server you want to, the servers do that for you. Is this true? If it is, that doesn't float my boat.
Turn it over and look at the stuff on the bottom. There should be a model number there. The HKT-3020s are the old ones. But I don't think it actually matters how old your Dreamcast is, That "your Dreamcast must be older than November 2001" stuff was debunked I think. Read this: http://www.dcemulation.com/article-supported.htm