If Silkroad was the best online game ever that would be the end to online games as we know it. There are many online games out there and yes I've played Silkroad and cannot agree on your statement. What I can say is that it's an 'alright' game for the most part. I don't really play MMORPGs anymore. I'll stick with Warcraft III
Some other MMORPGs you might want to consider:
SRO isn't that great. Servers for it were lacking when I played it, botters were everywhere, and the security was a joke--plenty of people I knew had their accounts hacked so they quit to play something more secured like WoW.